Sign in →

Test Code LH Luteinizing Hormone (LH)

Important Note

Disclaimer: This assay has the potential to be falsely low in individuals who consume supplements containing biotin (commonly marketed as hair and nail supplements). Patients should not take these supplements for a minimum of 8 hours prior to blood collection.

Performing Location

Southwestern Vermont Medical Center

Specimen Collection Information

Specimen  Min. Test Volume Collection Container Special Handling
Blood 0.1 mL Light Green (lith. heparin) top
Gold top
Marble Red top		  

Interpretive Data

Male: 1.7 - 8.6 mIU/mL

Female:

  • Follicular Phase: 2.4 - 12.6 mIU/mL
  • Ovulation Phase: 14.0 - 95.6 mIU/mL
  • Luteal Phase: 1.0 - 11.4 mIU/mL
  • Postmenopause: 7.7 - 58.5 mIU/mL

Specimen Stability

7 days at 2-8°C

Day(s) Performed

Monday - Sunday

LOINC

10501-5

CPT

83002