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