Blood Components

In the typical adult male there are around 5 quarts (4.75 liters) of blood, composed of around 3 quarts (2.85 liters) the plasma and also 2 quarts (1.9 liters) of cells.

You are watching: Sodium fluoride is the anticoagulant choice for

Blood cells are suspended in the plasma, i m sorry is made up of water and dissolved materials, consisting of hormones, antibodies, and enzymes that are being lugged to the tissues, and also cellular waste commodities that are being carried to the lungs and also kidneys.

The significant blood cells space classified together red cell (erythrocytes), white cell (leukocytes), and also platelets (thrombocytes).

The red cells are delicate, round, concave bodies that contain hemoglobin, the complex chemical the transports oxygen and also carbon dioxide.

Hemolysis occurs as soon as the thin protective membrane the encases the breakable red cells is ruptured, permitting hemoglobin to escape into the plasma. Hemolysis deserve to be led to by rough managing of a blood specimen, leave the tourniquet ~ above too long (causing blood stasis) or squeezing the pointer of the finger too hard throughout capillary collection, dilution, exposure to contaminants, extremes in temperature, or pathologic conditions.

The primary purpose the the white cells is to fight infection. In a healthy person, the white cells respond come minor infections by increasing in number and eliminating pathogens. Platelets are little fragments of unique cells that assist in blood clotting.

Either plasma or serum may be separated indigenous the blood cell by centrifugation. The vital difference in between plasma and also serum is that plasma maintain fibrinogen (the coagulation component), i beg your pardon is gotten rid of from serum.

Serum is obtained from clotted blood that has actually not been blended with an anticoagulant (a chemical that stays clear of the coagulation of blood). This clotted blood is climate centrifuged, yielding serum, which has two varieties of protein: albumin and globulin. Serum is usually gathered in mottled red/gray, gold, or cherry red-top tubes, and red-top pipe are periodically used.

Plasma is obtained from blood that has been mixed with one anticoagulant in the collection tube and also has, therefore, no clotted. This combined blood might then be centrifuged, yielding plasma, which includes albumin, globulin, and also fibrinogen.

There are numerous coagulation factors (factor VIII, factor IX, etc) affiliated in the clotting of blood. Number of different types of anticoagulants interfere v the task of these components to stop clotting. Both anticoagulants and also preservatives might be forced for plasma specimens. The stated anticoagulant or preservative should be offered for the check ordered. The chemical has been favored to keep some function of the specimen and to work-related with the technique used to carry out the test. Blood built up with one anticoagulant an ideal for the test explained may not be considered perfect for various other tests. Because additives room not interchangeable, the is essential to above the specimen requirement ar of individual check descriptions to recognize the proper collection requirements for the check ordered.

Blood collection / move Containers

Following the collection, preparation, and also transport instructions suggested by support the best feasible test results. Products for proper specimen collection and also transport are gave by Note: Specimens come be tested by should be accumulated in specimen containers detailed by

Note: use plastic move tubes for every frozen specimens.

Specimen Containers

Note: Please examine specimen collection and transportation supplies to be sure they carry out not include expired containers.

Red-top tube: has no anticoagulant or preservative.

Use: Serum or clotted totality blood. Serum have to be separated from cells within 45 minutes to 2 hours depending upon the test(s). Please refer to the specimen needs for the test(s) the interest easily accessible in the brochure of Services. Send serum in a plastic deliver tube.

Mottled red/gray-top, gold-top, or cherry red-top (gel-barrier) tube: has clot activator and also gel because that separating serum from cells, yet not anticoagulant. Perform not use gel-barrier pipe to submit specimens because that therapeutic medicine monitoring. Constantly check the test description to identify whether a gel-barrier pipe is acceptable.

Use: Serum, might be provided for assays request serum unless otherwise stated. Different serum from cell within in ~ 45 minutes to two hours relying on the test(s). Please refer to the specimen requirements for the test(s) the interest easily accessible in the brochure of Services. Serum might be sent out in the centrifuge tube v an intact obstacle (correct separation top top centrifugation) in between cells and serum or in a plastic deliver tube. If specimen is centrifuged prior to clotting is complete, a fibrin gerean will type on optimal of the cell. This recognize is frequent in hemolyzed specimens. Also, the gel barrier may not be intact and also could reason improper separation the serum and also cells, possibly affecting test results.

Lavender-top tube: contains K2 EDTA.

Use: EDTA whole blood or plasma. Send plasma in a plastic move tube labeling “Plasma, EDTA.” Send entirety blood in a lavender-top tube.

Gray-top tube: has sodium fluoride (a preservative) and also potassium oxalate (an anticoagulant).

Use: sodium fluoride whole blood or plasma. Send plasma in a plastic move tube labeled “Plasma, sodium Fluoride.” Send entirety blood in a gray-top tube.

Blue-top tube (also irradiate blue-top tube): contains sodium citrate. Be sure to use only tubes with a 3.2% sodium citrate concentration. These room easily determined by the yellow diagonal line stripes ~ above the label.

Use: salt citrate plasma. Send plasma in a plastic transfer tube labeling “Plasma, sodium Citrate.” Send whole blood in a blue-top tube.

Green-top tube: contains sodium heparin or lithium heparin.

Use: Heparinized whole blood or plasma. Send plasma in a plastic carry tube labeled “Plasma, sodium Heparin” or “Plasma, Lithium Heparin.” Send entirety blood in a green-top tube.

Yellow-top tube: consists of acid citrate dextrose (ACD) solution.

Use: ACD entirety blood. Send whole blood in a yellow-top tube.

Royal blue-top tube: contains sodium EDTA for trace metal studies. Some royal blue-top tubes carry out not save EDTA.

Use: EDTA totality blood or plasma. Send entirety blood in a imperial blue-top tube. Send plasma in a plastic transport tube labeled “Plasma, EDTA from imperial blue.”

Tan-top tube: consists of sodium EDTA because that blood lead analysis.

Use: EDTA whole blood. Send totality blood in a tan-top tube.

Plasma ready Tube (PPT™): has EDTA.

Use: EDTA plasma because that molecular diagnostic tests (eg, polymerase chain reaction (PCR) and/or branched DNA amplification (bDNA) techniques). ~ above centrifugation, a gel obstacle is formed in between the plasma and the cellular materials of the blood. The tube have the right to be sent directly to the rap without delivering to a an additional tube. Plastic tubes have the right to be frozen in ~ -80°C without danger of breakage.

This section is presented as a overview for trained venipuncture technicians, or phlebotomists, and also is not intended to train people in venipuncture technique. When illustration blood, you re welcome follow all venipuncture steps recommended for usage by recognized organizations and/or in accordance through applicable state regulations involving phlebotomy practices. The Clinical Laboratory standards Institute (CLSI) is an excellent resource for added information.

Assembling Supplies. rally the following supplies: lab coat, gloves, labels, safety and security needle, needle holder, tourniquet, suitable tubes, gauze, alcohol sponge, adhesive strip, and sharps container. (See number 2.) placed on the laboratory coat and gloves. The aseptic technique of collecting and also transporting a blood specimen functions on the principle of a vacuum pipe for drawing blood. A double-pointed needle or lot of sample needle (both disposable) may be provided for venipuncture. Ordinarily, a 21- or 22-gauge needle is used. A small bore, sharp needle reasons minimum patient discomfort; 22- or 23-gauge is the smallest bore (or lumen) size recommended to stop hemolysis. A needle length of 1 come 1½ inches permits an angle of entry that will certainly not pierce both vein walls and also enter tissue.


Figure 2

When more than one blood specimen is required, multiple sample needles and vacuum tubes make blood collection less complicated and more efficient. A small rubber sleeve immediately closes as soon as the vacuum pipe is removed from the holder, preventing leakage and loss the blood when the tubes room being changed.

Place the sharps container in ~ reach. Open up the single or lot of sample needle parcel in front of the patient; do not tear the paper seal because that the needle"s cap, and also do not eliminate the needle"s cap (sterile shield) at this point. (See figure 3.)


Figure 3


Figure 4

Prepare the needle holder in bespeak to connect the safety needle in the proper manner. Pull the safety shield top top the needle ago over the holder prior to removing the needle shield. Object the needle right into the holder and also tighten that firmly. (See number 4.) monitor the manufacturer"s referrals on properly setting the needle. With some needle assemblies, you might slide the repertoire tube into the holder, carefully pushing the pipe forward till the needle touches the stopper. Gently tap pipe containing additive to dislodge any material that might be adhering to the stopper. Carefully push the tube forward until the optimal edge the the stopper meets the pointer on the holder. Let go. The tube will certainly retract below the guideline. Leaving it in the position. This action embeds the full suggest of the needle in the stopper without puncturing it, avoiding blood leakage on venipuncture and also the premature loss of vacuum.

During venipuncture, perform not have the patience clench and also unclench the fist consistently (“pumping”). This will cause a transition in fluid between the vein and also the surrounding tissue. This deserve to lead to transforms in concentration of particular analytes. Come facilitate do the vein much more prominent, the patient might be asked to organize firmly come a rubber ball, a thick wad the gauze, etc. Also, never leave a tourniquet top top the arm for more than one minute without releasing it. This can cause discomfort come the patient and also may likewise cause hemolysis.

Preparing the Puncture Site. after securing the tourniquet and also reaffirming your choice of the best vein, both by sight and palpation, proceed as follows. Note: If a patient has intravenous (IV) services going right into one or both arms, it is agree to puncture the vein 3 to 4 inches listed below the website of the IV.

Except when a blood alcohol is ordered, swab the site with a sterile alcohol sponge (70% alcohol) in a one motion, within to outside, to push contaminants far from the puncture site. Carry out not consistently use an iodine preparation. Iodine may contaminate specimens for specific chemistry tests.Allow the puncture site to air dried after swabbing, or dry the website with gauze. If alcohol is not allowed to dry, that may reason specimen hemolysis. If the eight is dry, girlfriend will avoid stinging the patient at venipuncture.Break the record seal top top the needle cap in the visibility of the patient, and remove the needle cap. Visually inspect the allude of the needle because that burrs and feasible discoloration follow me the column of the needle prior to using the needle. If it has actually burrs or discoloration, carry out not use that needle; use another sterile needle.Anchor the vein. Get in the vein v the needle in ~ an edge of around 15 come 30 degrees.

Considerations for single and many Sample Collection. If just a single collection pipe is required, once the vacuum is exhausted and also the tube completely filled, release the tourniquet, and remove the tube from the needle assembly. Location a item of dry gauze end the needle and withdraw the needle carefully.


Figure 5

When multiple specimens room required, remove the first collection tube from the holder as shortly as blood flow ceases, invert the very first tube to protect against clotting, and gently insert the second tube into the holder. Puncture the diaphragm that the stopper by pushing the pipe forward and initiating vacuum suction. (See number 5.) Remove and invert each successive tube after that is filled. Once all samples have actually been drawn, remove the entire assembly native the arm. Steady lock the safety shield on the needle; check that it has locked both visually and also audibly. Dispose the the used needle and also holder in a sharps container according to the provisions in your exposure control plan. Execute not recap, cut, or bend any type of needles; dispose of lock in a sharps container. Carry out not reuse needles.

Apply straight pressure come the puncture site. After illustration blood, observe appropriate venipuncture methods to prevent ongoing bleeding and/or hematoma. Excessive bleeding (longer than five minutes) should be carried to the attention of the physician. Also, a clot tube (eg, red-top tube or gel-barrier) the does no clot need to be brought to the fist of the physician.

Note: as soon as multiple specimens are attracted from a single venipuncture, the adhering to order is recommended: (1) sterile blood society tubes, (2) nonadditive coagulation tubes (red), (3) coagulation tubes and also tubes comprise citrate (blue), (4) gel-barrier tubes and also tubes with additives (red), (5) pipe containing heparin (green), (6) tube containing EDTA (lavender, royal blue), (7) tubes containing acid citrate dextrose (yellow), and also (8) tube containing salt fluoride and also potassium oxalate (gray).

Note: If the blood needs to be combined with an additive (gently invert the pipe 4 to 10 times depending upon the specimen pipe being used), this need to be done immediately after collection. You have the right to do this easily while the patient"s eight is elevated. Mix blood with anticoagulant thoroughly, utilizing a roll wrist motion and by inverting the tube gently 4 or 10 times. (See number 6.) As quickly as feasible after collection, set the blood upright in a test tube rack.


Figure 6


Figure 7

Label pipe in former of the patient automatically after collection, confirming all essential information through the patient. (See figure 7.)If blood is drawn for regime hematology, prepare the blood films (blood smears) instantly after collection.Complete the test request kind to show time and date that collection along with collector"s identification.

Note: works v health treatment providers to minimize the complete volume collected from pediatric and geriatric patients.

Syringe Transfer an approach in Venipuncture

A syringe is usually provided with patients who are daunting to collection by routine venipuncture procedure, including techniques using a safety-winged blood collection collection (butterfly). V the syringe technique, venipuncture is accomplished without direct link to the repertoire tube. Follow these steps:

Use disposable plastic syringes and also safety right needles or a safety-winged blood collection set. For most laboratory specimens, using 20 mL plastic syringes will enable the withdrawal of sufficient specimen. Generally, the needle have to not be smaller sized than 21-gauge.If glass syringes space used, that is vital that the barrel and plunger it is in absolutely dry. Tiny amounts of moisture can reason hemolysis. If the glass syringe has been autoclaved, it should be cooktop dried before use. Air drying approaches are normally not satisfactory.After the blood is collected by syringe, activate the safety function of the safety straight needle or security winged blood arsenal set. Dispose that the used needle in a sharps container follow to the provisions of your exposure manage plan, and fill the vacuum tubes according to the provisions of her exposure manage plan. Use blood transfer maker to fill tubes from syringe.Do not force blood into the tube by pushing the plunger; this can reason hemolysis and also may disrupt the proportion of specimen to anticoagulant.

Blood Specimen ready Procedures

There are two vital guidelines to follow when submitting blood specimens. For part tests, such together chemistry procedures, fasting samples are frequently the specimen of choice. Also, because hemolysis interferes with plenty of procedures, you re welcome submit samples that are as free from hemolysis together possible.

Preparing Serum

Serum ready From Red-top Tube. monitor the steps listed below when prepare a serum specimen for submission. Be sure to use the centrifuge that has provided for your usage in these separations. For added information about preparation of serum samples, view the adhering to video: 

1. Attract whole blood in an amount 2½ times the required volume that serum so that a adequate amount that serum deserve to be obtained. The 8.5 mL red-top tube will yield approximately 3.5 mL serum after ~ clotting and centrifuging. Label the specimen appropriately (see Specimen Containers).

2. Location the arsenal tube in the upright place in the rack, and allow the blood to gerean at room temperature because that 30 come 60 minutes. If clotting stops working to occur within 60 minutes, inform the physician. Carry out not remove the pipe stopper.


Figure 8

3. After enabling clot to form, insert the pipe in the centrifuge, stopper end up. (See figure 8.) operate the centrifuge for no more than 10 minute at the rate recommended through the manufacturer. Lengthy centrifugation may reason hemolysis. As soon as using a bench-top centrifuge, rental a balance pipe of the same kind containing an identical volume that water.

4. Rotate the centrifuge off, if not automatic revolve off, and permit it to concerned a finish stop. Execute not effort to open up the lid and stop by hand or brake. Remove the tube closely without psychic the contents. Perform not spin more than 10 minutes uneven otherwise specified.

5. Remove the stopper and also carefully aspirate every serum native cells, utilizing a different disposable pipette because that each tube.

Place the tip of the pipette against the next of the tube, roughly ¼ inch over the cell layer. (See number 9.)

Do not disturb the cell layer or carry any type of cells over into the pipette. If cells do get in the pipette, recentrifuge the entire specimen.


Figure 9


Figure 10

8. Transport the serum from the pipette into the move tube. (See figure 10.) inspect the serum for indications of hemolysis and also turbidity by holding it as much as the light. Be sure to provide the laboratory through the lot of serum specified.

9. Brand the tube closely and clearly with all pertinent information or bar code. Uneven otherwise indicated, serum samples may be sent at room temperature. As soon as multiple tests requiring frozen serum room ordered, a plastic move tube have to be ready for every test.

Blood arsenal / deliver Containers​

Frozen Serum. Once frozen serum is required, place the plastic move tube(s) (prepared above) instantly in the freezer compartment that the refrigerator. At the time of specimen pickup, educate your professional business representative that you have a frozen specimen to be picked up. A different frozen sample should be submitted for each check requiring a frozen specimen. A frozen specimen should be organized in a freezer in ~ 0°C come -20°C uneven a particular test requires the specimen to be frozen in ~ -70°C (dry ice).

Put the Frozen Specimen keeper containing the specimens in your lockbox according to the photographic instructions provided (see connect above). Your professional services representative will deliver the transport tube indigenous the Frozen Specimen goalkeeper to dry ice cream for transport. The Frozen Specimen Keeper will be left in your lockbox for reuse. Specimens because that multiple tests have to be frozen into various transport tubes.

Note: part lock boxes may be too little to host the Frozen Specimen Keeper. The original Transpak containers deserve to be provided for this lock boxes. 

Frozen gel Packs. To ensure specimen integrity throughout warm weather, follow these Instructions for Use of frozen gelatin packs and specimen lockboxes.

Draw entirety blood in an lot 2½ times the required volume the serum so the a enough amount the serum deserve to be obtained. The 8.5 mL red-top tube will yield about 3.5 mL serum after clotting and also centrifuging. Brand the specimen appropriately.Gently invert the gel-barrier tube five times come mix the clot activator and also blood.Place the collection tube in the upright position in the rack, and enable the blood to clot at room temperature for 30 come 60 minutes. (Minimum clotting time is 30 minutes for patients through an intact clotting process.)After enabling the gerean to form, insert the pipe in the centrifuge, stopper finish up. Operate the centrifuge because that 10 minute at the speed recommended through the manufacturer. An extensive centrifugation may reason hemolysis. As soon as using a bench-top centrifuge, employ a balance pipe of the same type containing an equivalent volume the water. Execute not exceed 10 minute of spin time uneven otherwise specified.Turn the centrifuge off, if no an automatic turn off, and enable it to pertained to a finish stop. Perform not protect against it through hand or brake. Eliminate the tube closely without mental the contents. Check the barrier gel come ensure the it has formed a heavy seal in between the serum and also packed cells. Also, study the serum for indicators of hemolysis and also turbidity by holding it up to the light. Be certain to provide the laboratory with the amount of serum specified.Make sure the pipe is clearly labeled with all pertinent details or bar code.If a frozen specimen is not required, it is not necessary to move serum to a plastic transfer tube. Uneven otherwise indicated, serum specimens might be sent at room temperature.When frozen serum is required, transfer the serum using a pipette into a plastic deliver tube. Monitor the measures in Frozen Serum.

Plasma Preparation. as soon as plasma is required, follow this steps.

1. Always use the ideal vacuum pipe for test requiring a distinct anticoagulant (eg, EDTA, heparin, salt citrate, etc) or preservative.

2. Madness the tube gently to relax additive adhering come the tube or stopper diaphragm. (See number 11.)


Figure 11

3. Permit the vacuum tube to fill completely. Fail to fill the tube will reason an not correct blood-to-anticoagulant ratio and also yield questionable and/or QNS test results.

4. To stop clotting, mix the blood with the anticoagulant or preservative immediately after drawing each sample.

5. To allow adequate mixing, gradually invert the pipe eight come ten times (four times because that citrate tubes) using a tenderness wrist rotation motion.

6. Immediately centrifuge the specimen because that as long as 10 minute or as stated by the tube manufacturer. Carry out not remove the stopper.

7. Turn the centrifuge off, if not an automatic turn off, and enable it to involved a finish stop. Perform not avoid it by hand or brake. Remove the tube very closely without psychic the contents.

8. Eliminate the stopper and also carefully aspirate plasma, using a different disposable Pasteur pipette for each tube.

9. Ar the reminder of the pipette against the side of the tube, about ¼ inch above the cell layer. Perform not disturb the cabinet layer or carry any cells over right into the pipette. Do not to water off; use carry pipette.

10. Move the plasma indigenous the pipette right into the transport tube. Be sure to provide the laboratory v the lot of plasma specified.

11. Brand all tubes plainly and carefully with all pertinent details or bar code. All tubes need to be labeled with the patient"s full name or identification number together it appears on the check request type or affix bar code. Also, print on the label the type of plasma it is registered (eg, “Plasma, sodium Citrate,” “Plasma, EDTA,” etc).

12. When frozen plasma is required, place plastic carry tube(s) instantly in the freezer compartment that the refrigerator, and notify her professional company representative the you have actually a frozen specimen to be choose up.

13. Never frozen glass tubes. because that after-hours pickup, monitor the measures under Frozen Serum above.

Plasma Preparation using a Plasma ready Tube (PPT™)

The blood film (commonly dubbed a blood smear) have the right to be a an important part that clinical testing. When performed, it allows the technologist to view the actual physical appearance that the red and also white blood cell microscopically. Well-prepared movies can be used in performing the differential white cell count, for evaluating the morphology (size, structure, and also shape) the red and white cell to recognize the presence of abnormal cells, and additionally for the check of the dimension and number of platelets. The distribution of the cells, as well as their morphology, deserve to be altered by poor slide preparation.

The most ideal slide consists of a film the is precisely one cell thick because that maximum image of all cell types microscopically.

Blood movies may be ready from venous blood (venipuncture) or capillary puncture blood. Slide preparation using venous blood is explained below.

Preparing Slides making use of Venous Blood gathered From Venipuncture

Follow the actions outlined below.

1. Put on laboratory an individual protective equipment.

2. Choose two clean, grease-free glass collection slides with frosted end (new ones whenever possible).

3. Publish the patient"s name and also date ~ above the frosted ends of both slides. (See number 12.)


Figure 12

4. Manage all slides just by the frosted end or by the edges.

5. Ar the collection slides frosted side up and to your right on a padded, level surface near the chair or bed whereby the specimen is to be collected.

6. Instantly after removing the needle from the vein, gently touch the guideline of the needle to among the clean slides, creating a tiny drop the blood around 1 to 2 mm in diameter, about the dimension of a match head. The fall of blood should be in the center line, roughly ¼ customs from the frosted end. Repeat for the second collection slide. Activate the needle"s safety and security feature and dispose that the needle in a sharps container.

7. Organize the left corners of the arsenal slide with the left thumb and also forefinger.

8. Hold the diffusion by the frosted end between the appropriate thumb and the index finger.

9. Remainder the left finish of the spreader at a 45° angle, about ½ customs opposite the fall of blood top top the slide. This angle prevents the white cell from bunching follow me the edges.


Figure 13


Figure 14

10. Attract the spreader slide steadily back toward the drop of blood. Once the slide contact the drop, the blood will start to spread to the edge of the diffusion slide. (See figure 13.)

11. Keep the spreader slide in ~ a 45° angle, preserving light yet firm push with the diffusion slide versus the horizontal slide. Push the spreader slide rapidly over the entire length that the slide, pulling a thin smear of blood behind it. A feathered edge normally characterizes a good blood film. The blood must not expand past 3/4 the size of the slide. (See number 14.)

12. Prepare the 2nd film in the very same manner.

13. Enable the blood movies to wait dry. Carry out not punch on the slides. Perform not apply fixative. After the slides are fully dry, place them in a labeling slide holder for deliver to the laboratory.

Special note on on slide Preparation

1. Slides need to not be touched on any type of area except the lengthy slide edge or frosted ends.

2. Prepare the movie immediately, as soon as the fall of blood has been put on the slide. Any delay will result in abnormal distribution of the white cells, with many of the bigger white cell accumulating in ~ the thin edge the the smear. Rouleaux the the red cell (stacking choose piles of coins) and also platelet clumping will additionally occur.

3. Criteria:

The thin part should be around 1 customs long, and the whole film should cover approximately half of the area that the entire slide.No section of the movie should extend to the edges of the slide.The film have to be free of waves, holes, and also ridges, and it should have a smooth appearance and feathered edge.All microscope slides, and also paraffin blocks, should be plainly labeled using two patient identifiers.The accession designation provided in the pathology report should include the case type, year, and also a distinctive accession number.

4. Common causes of a poor blood film. (See figure 15.)


Figure 15

Too lengthy a hold-up in carrying the fall of fresh blood from arsenal tube to slide.Drop the blood too large or too small (usually too large).Spreader on slide pushed across the slide in a jerky manner.Greasy or dirty slides, or use of a diffusion slide through a chipped or unpolished end.Failure to store the entire edge of the spreader slide versus the slide while do the film.Failure to keep or have actually the diffusion slide at approximately a 45° angle. (Increasing the angle outcomes in a special film, if a smaller angle will produce a thin film.)Failure to press the diffusion slide totally across the level slide.

See more: How Many Sides To A Cube And Cuboid? How Many Sides Does A Cube Have

Blood Culture

Blood societies should be collected directly into the blood culture bottles detailed by You re welcome follow the instructions that come through the kit and also call her representative if girlfriend have any questions. Friend can additionally go the test description for Blood Culture, routine <008300> in"s virtual directory and also refer come the Microbiology Specimen Collection and Transport Guide fastened in the Related records field for added information top top blood culture specimen collection.