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Homocysteine

Alternate Name: Homocysteine

SAL Code:

8521

CPT:

83090

Loinc:

13965-9

Units:

umol/L

Department:

Chemistry

Performing Laboratory:

Sherman Abrams Laboratory

Methodology:

Immunoassay

Specimen Requirements:

Primary Tube:

SST

Primary Substance:

Serum

Temperature

Period

Stable Fridge:

2 Days

Stable Frozen:

13 Weeks

Rejection Criteria:

Gross hemolysis; lipemia; improper labeling

Clinical Info:

To aid in the diagnosis and treatment of patients suspected of having homocysteinuria or hyperhomocysteinemia, and to screen patients who may be at risk for heart disease and stroke.

Sample Collection:

Collect patient samples using standard phlebotomy techniques. Click here for additional collection instructions. Separate serum from cells as soon as possible after clotting.

Test Limitations:

Patients taking S-adenosyl-methionine, methotrexate, nicotinic acid, theophylline, nitrous oxide, L-dopa, can have falsely elevated HCY levels.

Specimen Handling Instructions:

Stable refrigerated, room temperature not recommended.

Test Information:

Components:

Brooklyn Navy Yard
Building 292, Suite 416
63 Flushing Avenue
Brooklyn, NY 11205

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