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Order Code LAB205 Luteinizing Hormone (LH), Serum 

Additional Codes

Test Name in EPIC

EPIC Test Code           

Mnemonic

RV LUTEINIZING HORMONE

LAB205

LH

 

Useful For

Evaluation of menstrual irregularities, hypogonadism, ovulation, and pituitary disorders

Specimen Requirements

Specimen Type: Serum 

Container/Tube: 

Preferred: SST

Acceptable: Plain, red-top tube 

Specimen Volume: 1.0 mL 

Minimum Volume: 0.5 mL 

Specimen Stability

Specimen Type Temperature Stability         
Serum  Ambient 4 hours
  Refrigerated (preferred) 5 days
  Frozen 4 weeks

Reference Ranges

Male or Unspecified:  No established Reference Range

Female:  2.58-12.1 mIU/mL

 

Phase

 

Range (mIU/mL)

Normal female follicular phase

2.58–12.1

Normal female mid-cycle peak

27.3–96.9

Normal female luteal phase

0.833–15.5

Postmenopausal females

13.1–86.5

 

 

Specimens with biotin concentrations up to 5ng/mL demonstrated a less than or equal to 10% change in results. Serum biotin concentrations >5 ng/mL may falsely decrease LH results.

For diagnostic purposes, the results should always be assessed in conjunction with the patient's medical history, clinical examination, and other findings.

 

Day(s) Test Set Up

Monday and Thursday

Performing Laboratory

Ridgeview Medical Center

Methodology

Immunometric immunoassay