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Laboratory Medicine

Test catalogue

Luteinizing Hormone (LH)

Test Name

Luteinizing Hormone (LH)

Gold Tube Specimen Type / Requirements

Container Type = Gold (SST)

Minimum Volume = 1ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum or plasma, free from hemolysis, collected with or without gel separator. Separate serum or plasma from cells within 2 hours of collection

Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection. Thaw only once.

Stability: Stable at room temperature for 8 hours, refrigerated for 2 days, or frozen at -20oC for up to six months before testing. Thaw only once.

Transportation: Transport at room temperature ASAP. Place on ice if time of collection to time sample get to lab exceeds 2hrs

Sample Rejection Criteria: Multiple freeze/thaw unacceptable, heparinized plasma, Unlabeled or Not Sufficient Quantity Samples will be rejected

Required Documentation

Turnaround Time (TAT)

1 day

Test Utilization


Reference Value

Male: 1.4 – 7.7 IU/L

Female Pre-menopausal: 1.6 – 8.3 IU/L

Ovulatory Peak 8.0 – 56.3 IU/L

Menopausal 11.3 – 39.8 IU/L

Test Code



Two-Step, Immunoenzymatic Sandwich

Testing Location


Other Information

Last Updated: June 06, 2019