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HelpTest Code LAB1235607 Human Transforming Growth Factor beta 1 (TGF-b1)
Specimen Required
Specimen Type: Platelet-free Plasma
Container/Tube: Lavender top (EDTA)
Specimen Volume: 1 mL
Collection Instructions:
1. Draw blood in a lavender top (EDTA) tube.
2. Centrifuge for 15 minutes at 1000 x g within 30 minutes of collection. Centrifuge plasma again at 3000 x g for 10 minutes for complete platelet removal.
3. Aliquot plasma into a plastic vial and freeze at -20° C or below.
4. Send 1 mL platelet-free plasma frozen in plastic vial.
Additional Information:
For fixed speed centrifuges such as 645e: Within 30 minutes of collection, centrifuge 3 times for 10 minutes at 1600 x g while decanting the plasma each time before the next centrifugation. Aliquot plasma into a plastic vial and freeze at -20° C or below.
Reporting Name
Human Transforming Growth Factor b1Specimen Type
Plasma EDTASpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Specimens with particulate matter or microbial contamination Specimens outside of listed stability Samples submitted without two unique identifiers and date of collection |
Reject |
Reference Values
0-22,062 pg/mL
Day(s) Performed
Varies, 2 days per week
Report Available
6 to 14 daysPerforming Laboratory
BioAgilytix DiagnosticsCPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHTGF | Human Transforming Growth Factor b1 | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z6269 | TGF-b1 | Not Provided |