Test Details
Mnemonic
AT3
Ordering Code
2501000
CPT-4 Code(s)
85300
Specimen Information
Collect
Light blue 3.2 % sodium citrate
Specimen Preparation
Send 1.0 mL plasma in a screw capped plastic vial. CRITICAL FROZEN.
Minimum Volume
0.5 mL
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Hemolyzed specimen, thawed specimen, refrozen specimen, serum
Stability
Room temperature: 8 hours
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Methodology
Chromogenic
Reference Range
80 - 120%
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes