Luteinizing Hormone

Test Code

LUTEINIZING HORMONE

Alias/See Also

LH
Chemistry

Preferred Specimen

Gold Top Tube

Minimum Volume

2 mL

Transport Temperature

Refrigerate

Specimen Stability

Refrigerated (2-8°C): 7 days
Frozen (-20°C or colder): > 7 days
remove serum from gel if testing delayed > 24 hours

Methodology
Chemiluminescence microparticle immunoassay

Setup Schedule

M - F

Report Available

TAT 3 - 7 days

Reference Range

Gender/Phase	Reference range	Units
Male	1 - 9	mIUnits/mL
Female/Mid-Follicular phase	2 - 12	mIUnits/mL
Female/Mid cycle phase	19 - 103	mIUnits/mL
Female/Mid-Luteal	1 - 13	mIUnits/mL
Female/Postmenopausal	10 - 59	mIUnits/mL

Clinical Significance

This test is useful in the differential diagnosis of pituitary and gonadal insufficiency and in children with precocious puberty.

Performing Laboratory
Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973

Last Updated: November 21, 2025

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.