Test Details
Mnemonic
GH
Ordering Code
1010080
CPT-4 Code(s)
83003
Specimen Information
Patient Preparation
Fast overnight
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and freeze immediately. Send 1.0 mL serum frozen in a screw capped plastic vial. CRITICAL FROZEN.
Alternate Specimen
Serum: Red top
Plasma: Green sodium heparin, green lithium heparin
Plasma: Green sodium heparin, green lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Critical frozen
Rejection Criteria
Grossly lipemic specimens, grossly hemolyzed specimens, EDTA plasma
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: Undetermined
Refrigerated: Unacceptable
Frozen: Undetermined
Methodology
Chemiluminescence
Reference Range
Adult: <10 ng/mL
Reference intervals have not been formally verified in-house for pediatric and adolescent patients. The published literature indicates that reference intervals for adult, pediatric, and adolescent patients are comparable.
Reference intervals have not been formally verified in-house for pediatric and adolescent patients. The published literature indicates that reference intervals for adult, pediatric, and adolescent patients are comparable.
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes