83090 Assay of homocysteine
Also known as: homocysteine assay, plasma homocysteine
Quantitative measurement of homocysteine in plasma or serum using high-performance liquid chromatography or immunoassay methods.
In Plain Language
amino acid level test; stroke risk marker
Clinical Context
Assessment of cardiovascular risk and evaluation of potential thrombotic disease. Elevated homocysteine is associated with atherosclerosis, venous thromboembolism, and neural tube defects.
RVU Information
CPT 83090 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 83090?
CPT 83090 (Assay of homocysteine) is a Pathology & Lab code. Quantitative measurement of homocysteine in plasma or serum using high-performance liquid chromatography or immunoassay methods.
Who uses CPT code 83090?
CPT 83090 is used by Pathology, Cardiology, Neurology. Assessment of cardiovascular risk and evaluation of potential thrombotic disease. Elevated homocysteine is associated with atherosclerosis, venous thromboembolism, and neural tube defects.
When is CPT 83090 used?
Assessment of cardiovascular risk and evaluation of potential thrombotic disease. Elevated homocysteine is associated with atherosclerosis, venous thromboembolism, and neural tube defects.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.