Test Name
LUTEINIZING HORMONE (LH)
Aliases
LUTEOTROPIC HORMONE, INTERSTITIAL CELL STIMULATING HORMONE, LUTROPHIN.
Abbreviations
LH
Test Classification
INDIVIDUAL
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
3
TAT Units
HOURS
Test Requirements
Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
Clinical Utility
In conjunction with FSH, LH is used in assessment of male & female (in)fertility, amenorrhea, oligomenorrhea, menstrual irregularity, menopause, hypothalamic & pituitary disorders, precocious or delayed puberty. Increased LH/ FSH ratio may be seen in polycystic ovarian syndrome (PCOS).
Last Review
26th Feb 2026