Test Directory
Thrombin Generation Assay (normalized ETP)
Justification
The thrombin generation assay (TGA) is a global coagulation assay that can assess thrombotic risk. A normalized endogenous thrombin potential measures total thrombin production in plasma following the addition of a coagulation triggering reagent.
STAT: < 48 hours (M-F)
Fluorochromic
Draw Tube: Blue Top
Sample Type: Citrated Plasma
Specimen Requirements
| Sample Type | Volume Required | Minimum Volume | Stability | |
|---|---|---|---|---|
| PREFERRED | Citrated Plasma | Two aliquots, 1mL each | Two aliquots, 0.5mL each | Frozen (-20C): 2 weeks Frozen (-80C): 6 months |
| ALTERNATIVE | - | - | - | - |
| REJECTION CRITERIA | Thawed in transit, refrozen or clotted sample |
| SPECIAL INSTRUCTIONS | - |
General Information
| METHODOLOGY | Fluorochromic |
| STAT TAT | < 48 hours (M-F) |
| STAT TAT Performance | > 90% of results released in 48 hours |
| ROUTINE TAT | < 5 days (M-F) |
| ALTERNATIVE NAMES | TGA, TGT, ETP |
| DESCRIPTION | - |
| LIMITATIONS | - |
| NORMAL RANGE | - |
| ASSOCIATED TESTING | - |
| REFERENCES | - |
| SAMPLE REPORT | Upon request |
| NEW YORK STATE APPROVED | - |
Test Codes
| ORDER CODE | P3345 |
| CPT CODE | 85999 |
| LOINC CODE | 20991-6 |