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Laboratory Test Directory

FSH / LH Series - GNRH Stimulation


Name Method Department Units
FSH LH Stim Chemiluminescent Microparticle Immunoassay (CMIA)
Core Lab, Endocrinology mIU/mL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume

Red tube, (no anticoagulant), No Gel

3 mL 2 mL

Gold tube, (SST) with Gel

3.5 mL 2 mL

Refrigerated - 24 hour(s)
Room temperature - 4 hour(s)

Specimen Preparation

  • Collect at Main Campus only


Multiple FSH and LH samples done in conjunction with GNRH stimulation. Each sample must include collection time and minutes post stimulation. No established reference range. Please note type of stimulant used on requisition. Please send all samples in this series to lab as a batch after last sample is collected.

CPT Code

  • 83001
  • 83002 (x number of samples)