Luteinizing Hormone/Follicle Stimulating Hormone




Test Mnemonic

XLHFSH

CPT Codes

  • 83001 - QTY (1)
  • 83002 - QTY (1)

Aliases

  • LH/FSH

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) Refrigerated 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL     

Stability

Environmental Condition Description
Ambient8 hours
Refrigerated1 week
Frozen3 months

Days Performed

Sun - Sat

Turnaround Time

8 hours

Methodology

Name Description
Electro Chemiluminescence Immunoassay (ECLIA) 

Reference Range

FSH
Sex Age From Age To Type Range Range Unit
Female      NormalSee Clinical Information 
Female      NormalFollicular: 3.5-12.5mIU/mL
Female      NormalOvulation: 4.7 to 21.5mIU/mL
Female      NormalLuteal: 1.7 - 7.7mIU/mL
Female      NormalPostmenopausal: 25.8-134.8mIU/mL
Female      Normal<1 years old: 1.6 to 19mIU/mL
Female      Normal1 to 8 years old: 0.7 to 5.8mIU/mL
Female      Normal9 to 11 years old: 0.5 to 7.6mIU/mL
Female      Normal12 to 17 years old: 0.9 to 9.1mIU/mL
Male      Normal1.5 - 12.4mIU/mL
Male      Normal<1 years old: <3.3mIU/mL
Male      Normal1 to 8 years old: <2.1mIU/mL
Male      Normal9 to 11 years old: 0.4 to 4.2mIU/mL
Male      Normal12 to 17 years old: 0.9 to 7.1mIU/mL
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

Assessment of pituitary function and to distinguish primary from secondary gonadal failure.