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Luteinizing Hormone (LH)
Test Code17744X
CPT Codes
83002
Preferred Specimen
1 mL serum
Patient Preparation
Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample
Minimum Volume
0.7 mL (Note: This volume does not allow for repeat testing.)
Other Acceptable Specimens
Plasma collected in a lithium heparin (green-top) tube
Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation.
If a red-top tube or plasma is used, transfer separated serum or plasma to a plastic transport tube.
If a red-top tube or plasma is used, transfer separated serum or plasma to a plastic transport tube.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Do not use oxalate, EDTA, or citrate plasma
Methodology
Electrochemiluminescent (ECL)
FDA Status
This test was developed and its performance characteristics determined by Lab Corp. It has not been cleared or approved by the Food and Drug Administration.
Setup Schedule
Set up: Sun-Fri; Report available: 1 day
