Days Set Up
Daily, 24 hours
Analytic Time

4 hours

MiChart Code
Luteinizing Hormone
Soft Order Code
LH

Test Updated:

Synonyms

ICSH
Interstitial Cell Stimulating Hormone
LH
LUTEINIZING HORMONE

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Test FAQ

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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.

Specimen Requirements

Collection Onsite

Collect specimen in SST tube.

Collection Offsite

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.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
83002
Pro Fee Code
 
LOINC
10501-5

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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