Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Assessment of hypothalamic function and pituitary function, to distinguish between primary and secondary gonadal failure.

Reference Range *

Men: 2-12 mIU/ml; Women: follicular phase: 2-15 mIU/ml; midcycle peak: 22-105 mIU/ml; luteal peak: 0 - 19 mIU/ml; postmenopausal: 16-64 mIU/ml

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Specimen may be stored at room temperature up to 8 hours. [12/05]

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
LH
MiChart Code
Luteinizing Hormone
Synonyms
  • ICSH
  • Interstitial Cell Stimulating Hormone
  • LH
  • LUTEINIZING HORMONE
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.

Alternate Specimen
Red Top Tube
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
83002
Fee Code
23320
LOINC
10501-5
Resources