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 Test Performed

Daily, 24 hours

Analytic Time

4 hours

Soft Order Code

LH

MiChart Code

Luteinizing Hormone

Synonyms

Synonyms

ICSH
Interstitial Cell Stimulating Hormone
LH
LUTEINIZING HORMONE

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Laboratory

Chemical Pathology

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Specimen Requirements

Offsite 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.

Container

Yellow Top Tube

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Billing Information

Fee Codes


CPT Code

83002

LOINC

10501-5

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