LUTEINIZING HORMONE (LH)

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.4 mL minimum) in a refrigerated screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Grossly hemolyzed, icteric, or grossly lipemic specimens, plasma

Methodology
Chemiluminescence

Stability
Room Temperature: 8 hours; Refrigerated: 72 hours; Frozen: 14 days

Reference Range
Adult Male:   1.5-9.3 mIU/mL  
Adult Female:
   Follicular:   1.9-12.5 mIU/mL  
   Midcycle Peak:   8.7-76.3 mIU/mL  
   Luteal:   0.5-16.9 mIU/mL  
   Pregnant:   <0.1-1.5 mIU/mL  
   Postmenopausal:   15.9-54.0 mIU/mL  
Children:   <0.1-6.0 mIU/mL  

Performed
Monday-Friday

Turnaround Time3 days
Test CodeLH
CPT-4 Code (s)
83002
LOINC Codes
10501-5

Warde
Medical
Laboratory