84597 Assay of vitamin k
Also known as: serum vitamin K, vitamin K level
Quantitative assay of vitamin K concentration in serum, plasma, or feces, measured by chromatography or immunoassay to assess coagulation status and fat-soluble vitamin metabolism.
In Plain Language
blood clotting vitamin test; vitamin K level
Clinical Context
Evaluates vitamin K status in malabsorption, liver disease, or antibiotic use; low levels impair prothrombin synthesis and increase bleeding risk.
RVU Information
CPT 84597 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 84597?
CPT 84597 (Assay of vitamin k) is a Pathology & Lab code. Quantitative assay of vitamin K concentration in serum, plasma, or feces, measured by chromatography or immunoassay to assess coagulation status and fat-soluble vitamin metabolism.
Who uses CPT code 84597?
CPT 84597 is used by Clinical Pathology, Hematology, Internal Medicine. Evaluates vitamin K status in malabsorption, liver disease, or antibiotic use; low levels impair prothrombin synthesis and increase bleeding risk.
When is CPT 84597 used?
Evaluates vitamin K status in malabsorption, liver disease, or antibiotic use; low levels impair prothrombin synthesis and increase bleeding risk.
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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.