LUTEINIZING HORMONE (LH)

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Methodology
Immunoassay

Stability
Room Temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days

Reference Range
Adult Male:   18-59 years:   1.5-9.3 mIU/mL  
   >=60 years:   1.6-15.2 mIU/mL  
Adult Female:
   Follicular:   1.9-13.5 mIU/mL  
   Midcycle Peak:   8.7-76.3 mIU/mL  
   Luteal:   0.5-16.9 mIU/mL  
   Postmenopausal:   10.0-54.7 mIU/mL  
   Children:   Not established  

Performed
Tuesday-Saturday

Turnaround Time2-4 days
Test CodeLH
CPT-4 Code (s)
83002
LOINC Codes
10501-5

Warde
Medical
Laboratory