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Alias Names: LH
Methodology: Chemiluminescent Immunoassay (CLIA)
Edit Date: 2/28/2008
Performed: Daily
Released: Same day
CPT Code: 83002
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: 4 mL green top tube (heparin) or 4.5 mL light green plasma separator tube (PST).
Handling: Centrifuge SST or PST within 2 hours and transport in original tube. Centrifuge green (heparin)top tube within 2 hours, separate plasma from cells and pour into a plastic vial. Refrigerate. Freeze if specimen cannot be assayed within 48 hours. Allow no more than one freeze/thaw cycle.
Stability: 48 hours refrigerated.
Standard Volume: 0.5 mL serum or plasma.
Minimum Volume: 150 µL serum or plasma.
Transport: Refrigerated, or if frozen, on dry ice.
Rejection Criteria: Specimen frozen and thawed more than once; refrigerated specimen received in laboratory more than 48 hours after collection.

Male 1.2-8.6 mlU/mL
Female Mid-Follicular Phase 2.1-10.9 mlU/mL
Mid-Cycle Peak 19.2-103 mlU/mL
Mid-Luteal Phase 1.2-12.8 mlU/ml
Postmenopause 10.9-58.0 mlU/mL

PeaceHealth Laboratories