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Test Code LAB87 Luteinizing Hormone (LH)

Specimen Requirement

1.0 mL serum; SST acceptable - PST not acceptable.

If testing delayed >24 hours remove serum/plasma from clot, serum separator

Specimen Stability

7 days at 2-8° C 

If  >7 days freeze at -10° C or colder.

Avoid freeze/thaw cycles.

Testing Schedule

Daily

Reference Range

Females

  • Follicular Phase: 2.39 – 6.60 mIU/mL
  • Mid – Cycle Peak: 9.06 – 74.24 mIU/mL
  • Luteal Phase: 0.90 – 9.33 mIU/mL
  • Postmenopausal (without HRT): 10.39 – 64.57 mIU/mL

Males

  • 1.14 – 8.75 mIU/mL

Testing Department

Chemistry

Method

Chemiluminescent Microparticle Immunoassay (CMIA)

CPT Code

83002

Outpatient Turnaround Time

24 hours after receipt

Inpatient STAT Turnaround Time

Not Applicable

Inpatient Routine Turnaround Time

4 hours after receipt