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Luteinizing Hormone (LH), Plasma or Serum
MessageSpecimen must arrive within 24 hours of draw.
Test Code
778
CPT Codes
83002
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate <=24 hours/Frozen OK
Methodology
Immunochemiluminescent Assay
Setup Schedule
Monday through Sunday
Reference Range
Menstrual cycle phases:
Menarche to pre-menopause:
Follicular 1.9 – 12.5 mIU/mL
Mid-cycle peak 8.7 – 76.3 mIU/mL
Luteal 0.5 – 16.9 mIU/mL
Pregnant <1.5 mIU/mL
Post-menopausal 5 – 55.2 mIU/mL
Children (<20 years) <6.0 mIU/mL
Males 20-70 1.5 – 9.3 mIU/mL
Males > 70 3.1 – 34.6 mIU/mL
Menarche to pre-menopause:
Follicular 1.9 – 12.5 mIU/mL
Mid-cycle peak 8.7 – 76.3 mIU/mL
Luteal 0.5 – 16.9 mIU/mL
Pregnant <1.5 mIU/mL
Post-menopausal 5 – 55.2 mIU/mL
Children (<20 years) <6.0 mIU/mL
Males 20-70 1.5 – 9.3 mIU/mL
Males > 70 3.1 – 34.6 mIU/mL
Clinical Significance
Useful for distinguishing primary gonadal failure from secondary causes of gonadal failure; menstrual disturbances; and amenorrhea. It is also useful in defining menstrual cycle phases in infertility evaluation of females and testicular dysfunction in males.
Performed By
CoxHealth
