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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