Which additive is in a gray top?
Grey-top tube (potassium oxalate/sodium fluoride)
This tube contains potassium oxalate as an anticoagulant and sodium fluoride as a preservative – used to preserve glucose in whole blood and for some special chemistry tests.
What is the gray tube used for in phlebotomy?
Blood Collection Tubes
| Tube cap color | Additive | Function of Additive |
|---|---|---|
| Lavender or pink | Potassium EDTA | Prevents clotting by binding calcium |
| Gray | Sodium fluoride, and sodium or potassium oxalate | Fluoride inhibits glycolysis, and oxalate prevents clotting by precipitating calcium. |
What color tube top has no additives?
PHLEBOTOMY SERVICES
| STOPPER COLOR | CONTENTS | VOL. |
|---|---|---|
| Royal Blue | No additive (serum); special glass and stopper material | 7.0 mL |
| Red | No additive | 7.0 mL |
| Light Blue | 3.2% Sodium Citrate | 4.5 mL |
| Gold Top (Serum Separator, “SST”) | Contains separating gel and clot activator | 6.0 mL |
What are the additives in phlebotomy tubes?
Last draw – additive tubes in this order:
- SST (red-gray or gold top). Contains a gel separator and clot activator.
- Sodium heparin (dark green top)
- PST (light green top). Contains lithium heparin anticoagulant and a gel separator.
- EDTA (lavender top)
- ACDA or ACDB (pale yellow top). …
- Oxalate/fluoride (light gray top)
What is lithium heparin used for?
Heparin (green top tube) is the only anticoagulant recommended for the determination of pH blood gases, electrolytes, and ionized calcium. Lithium heparin is commonly used instead of sodium heparin for general chemistry tests.
What color tube is ferritin?
| FERRITIN | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB2275 Geisinger Epic ID: 6636 |
| Preferred collection container: | Stat/Line draws: 3 mL green/yellow-top (plasma separator) tube Routine requests/off-site specimens: 3.5 mL gold-top (serum separator) tube |
| Specimen required: | 2 mL of serum or plasma; minimum 0.5 mL. |
•
Dec 24, 2020
Which blood tube has no additives?
Red
6. Red – Tube contains no additive, used for serum chemistry testing, serology, and blood bank testing.
What additive prevents glycolysis?
Sodium fluoride
Sodium fluoride acts as the glycolytic inhibitor and prevents the cells in the blood from utilizing the glucose.
What color tube is vitamin B12?
| VITAMIN B12 | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB3256 Geisinger Epic ID: 6587 |
| Preferred collection container: | 3.5 mL gold-top (serum separator) tube |
| Alternate Collection Container: | 3 mL green/yellow-top (plasma separator) tube |
| Specimen required: | 2 mL aliquot of serum (preferred) or plasma; minimum 0.5 mL. |
•
Dec 24, 2020
What tube is used for TIBC?
| IRON SCREEN, INCLUDING TIBC | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB2556 Geisinger Epic ID: 14952 |
| Specimen type: | Plasma or serum |
| Preferred collection container: | Stat/Line draws: 3 mL green/yellow-top (plasma separator) tube Routine requests/off-site specimens: 3.5 mL gold-top (serum separator) tube |
•
Dec 24, 2020
What color tube is folate?
Preferred Specimen(s)
Whole blood collected in an EDTA (lavender-top) tube sent at room temperature will have folate and hematocrit testing performed.
What color tube is vitamin D?
| 25-HYDROXY VITAMIN D | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB1489 Geisinger Epic ID: 33530 |
| Specimen type: | Serum |
| Preferred collection container: | 3.5 mL gold-top (serum separator) tube |
| Specimen required: | 0.5 mL serum; minimum 0.3 mL. |
•
Dec 24, 2020
What color tube is used for magnesium?
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube.
What color tube is CBC with diff?
lavender-
Specimen required: EDTA lavender-top tube or microcollection tube.
What color tube is prealbumin?
| PREALBUMIN | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB2895 Geisinger Epic ID: 6936 |
| Preferred collection container: | Stat/Line draws: 3 mL green/yellow-top (plasma separator) tube Routine requests/off-site specimens: 3.5 mL gold-top (serum separator) tube |
| Specimen required: | 2 mL of serum or plasma; minimum 0.2 mL. |
•
Jan 9, 2020
What color is serum tube?
Serum is usually collected in mottled red/gray, gold, or cherry red-top tubes, and red-top tubes are occasionally used.
What color tube is A1C?
| HEMOGLOBIN A1C | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB2415 Geisinger Epic ID: 32306 |
| Specimen type: | Whole blood |
| Preferred collection container: | 4 mL lavender-top (K2 EDTA) tube3 mL lavender-top (K2 EDTA) tube |
| Specimen required: | 2.5 mL; minimum 1 mL. |
•
Feb 19, 2021
What color tube is used for zinc?
| ZINC | |
|---|---|
| ORDERING INFORMATION: | Geisinger Epic Procedure Code: LAB3298 Geisinger Epic ID: 29561 |
| Specimen type: | Plasma (preferred) or serum. |
| Preferred collection container: | 6 mL dark blue-top (K2 EDTA) tube |
| Alternate Collection Container: | 6 mL dark blue-top (trace element, no additive) tube |
What color tube is for BMP?
Red-top tube or green-top (lithium heparin) tube is acceptable.
What is albumin and prealbumin?
Prealbumin and albumin are two indicators used to assess protein status at the visceral level. If someone is having some wounds, he will need ample protein so that wound healing can take place. … It is made in the liver and its value describes the protein status of both the internal organs and the blood.
What tube is used for vitamin A?
Send serum in an amber tube. If an amber tube is not available, wrap tube in aluminum foil to protect from light.
Which color tube needs to be filled completely?
What are light blue tubes used for? Coagulation! These contain sodium citrate, an anti-coagulant that binds calcium. These tubes MUST be filled completely.