LH

Message

Male and Female >18 yrs LH reference ranges established on post-pubertal patient population. Reference range not established for pre-pubertal patients using this assay. For pre-pubertal patients, the Quest Diagnostics Nichols Institute LH, Pediatrics assay is recommended (order code 36086).

SRHC Clients:

1 gold top tube or 1 red top tube
Transport to SRHC laboratory within 8 hours
For pre-pubertal patients, pediatric assay is recommended (test code 36086)

Test Code

LAB8023

Quest Code

615

CPT Codes
83002

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

Note: For pre-pubertal children, test code 36086 LH, Pediatrics assay is recommended

Transport Container

plastic screw-cap vial

Transport Temperature

Refrigerated, stable 7 days

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Methodology
Immunoassay

Setup Schedule

Set up: Mon-Sat; Report available: Next day

Reference Range

Male
18-59 Years	1.5-9.3 mIU/mL
≥60 Years	1.6-15.2 mIU/mL
Female
Follicular Phase	1.9-12.5 mIU/mL
Mid-Cycle Peak	8.7-76.3 mIU/mL
Luteal Phase	0.5-16.9 mIU/mL
Postmenopausal	10.0-54.7 mIU/mL

Children (<18 years old): LH reference ranges established on post-pubertal patient population. Reference range not established for pre-pubertal patients using this assay. For pre-pubertal patients, the Quest Diagnostics LH, Pediatrics assay is recommended (test code 36086).

Clinical Significance

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

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.