Luteinizing Hormone (LH)

Test Code

17744X

CPT Codes
83002

Preferred Specimen

1 mL serum

Patient Preparation
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation.
Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

Minimum Volume

0.7 mL - this volume does not allow for repeat testing

Other Acceptable Specimens

Plasma collected in: Lithium heparin (green-top) tube

Instructions

⁠⁠⁠⁠⁠⁠⁠If a red-top tube or plasma is used, transfer separated serum or plasma to a plastic transport tube.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Do not use oxalate, EDTA, or citrate plasma

Methodology

Electrochemiluminescent (ECL)

Setup Schedule

Set up: Sun-Fri; Report available: 1 day

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.