LH
Detail Description
Clinical Significance
LH - This test is useful in the differential diagnosis of pituitary and gonadal insufficiency and in children with precocious puberty.
Preferred Specimen(s)
1 mL serum
Minimum Volume
0.5 mL
Collection Instructions
Note: For pre-pubertal children, test code 36086 LH, Pediatrics assay is recommended
Transport Container
Serum Separator Tube (SST®)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Setup Schedule
Methodology
Immunoassay (IA)
Reference Range(s)
Male
18-59 Years 1.5-9.3 mIU/mL
≥60 Years 1.6-15.2 mIU/mL
Female
Follicular Phase 1.9-12.5 mIU/mL
Mid-Cycle Peak 8.7-76.3 mIU/mL
Luteal Phase 0.5-16.9 mIU/mL
Postmenopausal 10.0-54.7 mIU/mLChildren (<18 years old): LH reference ranges established on post-pubertal patient population. Reference range not established for pre-pubertal patients using this assay. For pre-pubertal patients, the Quest Diagnostics LH, Pediatrics assay is recommended (test code 36086).
Alternative Name(s)
Lutropin,Luteinizing Hormone (LH),Interstitial Cell Stimulating Hormone