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Luteinizing Hormone (LH)

Test Code
LH


Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Other Acceptable Specimens
Heparinized plasma


Instructions
None


Transport Container
Serum separator tube (SST)


Transport Temperature
Refrigerated (cool packs)


Specimen Stability
 Refrigerated: 7 days


Methodology
Immunoassay (IA)

Setup Schedule
24/7


Report Available
Same day


Reference Range
 
     
 
Male    
18-59 Years 1.7-8.6 mIU/mL
     
Female    
  Follicular Phase 2.4-12.6 mIU/mL
  Mid-Cycle Peak 14.0-95.6 mIU/mL
  Luteal Phase 1.0-11.4 mIU/mL
  Postmenopausal 7.7-58.5 mIU/mL
   


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




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.