Test Details
Mnemonic
CH50
Ordering Code
3000310
CPT-4 Code(s)
86162
Specimen Information
Collect
Red top
Specimen Preparation
Allow blood to clot at room temperature 60 - 65 minutes. Centrifuge, separate serum from cells and send 1.0 mL serum frozen ASAP in a screw capped plastic vial. CRITICAL FROZEN.
Minimum Volume
0.5 mL
Transport Temperature
Critical frozen
Rejection Criteria
Room temperature or refrigerated samples, SST, lipemic samples, hemolyzed samples
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: Undetermined
Refrigerated: Unacceptable
Frozen: Undetermined
Methodology
Turbidimetric
Reference Range
42 - 95 U/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes