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Test Code LH Luteinizing Hormone (LH)

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       

Specimen Requirements

Plasma-Mint Green, Dark Green Lithium Heparin or Serum-SST gold top, red top

Allow SST or red top to completely clot

Spin and physically separate plasma/serum from contact with cells as soon as possible

4 mL of plasma/serum (minimum 2 mL)

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient

Storage and Stability

Room temperature 15-30oC 8 hrs
Refrigerated 2-8oC 48 hrs
Frozen <-20oC Not specified

Reference Values

Gender Age Reference Ranges (mIU/mL)
Male 0-1 yr 0.02 - 5.00
Male 1 yr-8 yrs 0.02 - 0.50
Male 8 yrs- 10 yrs 0.02 - 3.60
Male 10 yrs-13 yrs 0.10 - 5.70
Male 13 yrs-17 yrs 0.80 - 8.70
Male 17 yrs-150 yrs 1.24 - 8.62
Female 0-1 yr 0.02 - 18.3
Female 1 yr-8 yrs 0.02 - 0.30
Female 8 yrs-10 yrs 0.02 - 4.80
Female 10 yrs-13 yrs 0.02 - 11.70
Female 13 yrs-18 yrs 0.02 - 16.70
Female >18 yrs Mid-Follicular Phase 2.12 - 10.89
Female > 18 yrs Mid Cycle Peak,                                       Mid Luteal Phase 1.20 - 12.86
Female >18 yrs Post Menopausal 10.87 - 58.64

Methodology

Chemiluminescent two-step immunoenzymatic sandwich assay

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

83002