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

Plasma: Green sodium heparin, green lithium heparin
Serum: Red top

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: 14 days

Methodology

Chemiluminescence
more

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.
more

Performing Laboratory

Warde Medical Laboratory
more