Order Code LH Luteinizing Hormone (LH)
Additional Codes
Epic Order ID LAB2258
Sub activity Type
Chemistry
Collection tube
Green Li PST
SST
Specimen Type
Plasma
Serum
Minimum Volume
0.6 ml
Stability
2 days at 2-8°C
8 hours at room temp (20-23°C)
Clinical Significance
Useful in the differential diagnosis of pituitary and gonadal insufficiency and in children with precocious puberty.
Reference Range
Normally Menstruating Females:
Follicular Phase: 1.9 - 12.5 mIU/mL
Ovulatory Peak: 8.7 -76.3 mIU/mL
Luteal Phase: 0.5 -16.9 mIU/mL
Post-Menopausal Females: 5.0 -55.2 mIU/mL
Prepubertal Children: < 0.1 - 6.0 mIU/mL
Males:
20-70 years: 1.5 - 9.3 mIU/mL
> 70 years: 3.1 - 34.6 mIU/mL