Test Details
Mnemonic
AH50
Ordering Code
3618060
CPT-4 Code(s)
86161 RUO
Specimen Information
Collect
Serum: Red top
Specimen Preparation
Allow specimen to clot for an hour at room temperature, then centrifuge and separate serum from cells within 2 hours of collection. Send 1.0 mL serum frozen in a screw capped plastic vial. CRITICAL FROZEN.
Minimum Volume
0.3 mL
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Serum separator tube (SST)
Refrigerated or room temperature specimens.
Specimens other than serum.
Samples clotted at refrigerated temperature.
Specimens repeatedly frozen and thawed.
Grossly hemolyzed or lipemic
Icteric specimens
Refrigerated or room temperature specimens.
Specimens other than serum.
Samples clotted at refrigerated temperature.
Specimens repeatedly frozen and thawed.
Grossly hemolyzed or lipemic
Icteric specimens
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen (-70°C): 30 days
Refrigerated: Unacceptable
Frozen (-70°C): 30 days
Methodology
Semi-quantitative Enzyme-Linked Immunosorbent Assay
Reference Range
≥31%
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes