Luteinizing Hormone (LH)

Message
Do not use samples that have been stored at room temperature for longer than 8 hours.

Test Code
LH

Preferred Specimen
1 mL Serum

Instructions
"Minimum specimen requirement 0.5ml
Testing Frequency: Daily"

Transport Container
SST

Transport Temperature
Refrigerate

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 8hr Room Temp;48 hours refrigerated

Methodology
Chemilumimescence

Clinical Significance
"Expected Value(s):
Females:
Normally menstruating
Follicular Phase: 1.9-12.5mIU/mL
Midcycle Peak: 8.7-76.3mIU/mL
Luteal Phase: 0.5-16.9mIU/mL
Pregnant: 0.0-1.5mIU/mL
Postmenopausal: 15.9-54.0mIU/mL
Contraceptives: 0.7-5.6mIU/mL
Males:
20-70 years: 1.5-9.3mIU/mL
>70 years: 3.1-34.0mIU/mL
Children: 0.0-6.0mIU/mL"



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.