LH, 4 SPECIMENS

Clinical Significance
LH, 4 Specimens - 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 per specimen

Minimum Volume
0.5 mL per specimen

Collection Instructions
Note time on tubes.

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).