ALPHA-2-ANTIPLASMIN ACTIVITY

Components
Includes measurement of the function of antiplasmin, mostly alpha-2-antiplasmin, with slight interference from alpha-2-macroglobulin.

Specimen Required
Draw blood in a light blue sodium citrate tube. See appendices for coagulation test collection instructions. Send 1.0 mL plasma (0.5 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Rejection Criteria
Gross hemolysis, gross lipemia

Methodology
Hydrolysis of Synthetic Chromogenic substrate, Colorimetric End point

Stability
Room temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days

Reference Range
Adults:   80-140%  
Normal, full-term newborn infants may have borderline low or mildly decreased levels (> or = 50%) which reach adult levels within 5 to 7 days postnatal.*
Healthy, premature infants (30-36 weeks gestation) may have mildly decreased levels which reach adult levels in < or = 90 days postatal.*

Performed
Monday-Friday

Turnaround Time2 days
Test CodeA2A
CPT-4 Code (s)
85410
LOINC Codes
27810-1

Warde
Medical
Laboratory