Homocysteine is an amino acid normally found in small amounts in the blood. Abnormal levels may mean that you are not getting enough vitamins like folic acid, vitamin B6, and vitamin B12.

Homocysteine tests might be used to check for other conditions or diseases.

Current as of: March 12, 2014

Author: Healthwise Staff

Medical Review: E. Gregory Thompson, MD - Internal Medicine & George Philippides, MD - Cardiology