LH




Test Mnemonic

LH

CPT Codes

  • 83002 - QTY (1)

LOINC ®

10501-5

Aliases

  • Luteinizing Hormone
  • Luteinizing Hormone

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaLithium heparin PST (Lt. Green) Centrifuge and refrigerate.Submit in original tube or aliquot into CCL aliquot tube

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) Centrifuge and refrigerate. 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
Ambient5 days
Refrigerated14 days
Frozen6 months

Days Performed

Sun - Sat

Turnaround Time

8 hours

Methodology

Name Description
Electro Chemiluminescence Immunoassay (ECLIA) 

Reference Range

LH
Sex Age From Age To Type Range Range Unit
Female      NormalSee Clinical Information 
Female      NormalFollicular: 2.4 - 12.6mIU/mL
Female      NormalMidcycle: 14.0 - 95.6mIU/mL
Female      NormalLuteal: 1.0 - 11.4mIU/mL
Female      NormalPost-menopausal: 7.7 - 58.5mIU/mL
Male      Normal1.8 - 10.8mIU/mL

Special Info

Patients taking a biotin dose of up to 5 mg/day should refrain from taking biotin for 4 hours prior to sample collection. Patients taking a biotin dose of 5 to 10 mg/day should refrain from taking biotin for 8 hours prior to sample collection. Patients taking a biotin dose > 10 mg/day should consult with their physician or the laboratory prior to having a sample taken. Clinicians should consider biotin interference as a source of error, when clinically suspicious of the laboratory result.

Clinical Info

Values vary widely during the different phases of the menstruating woman.