83500 Assay free hydroxyproline
Also known as: free hydroxyproline, urine hydroxyproline
Quantitative measurement of free hydroxyproline in plasma or urine using chromatographic or immunological methods.
In Plain Language
collagen breakdown marker
Clinical Context
Assessment of connective tissue disorders and bone metabolism. Elevated hydroxyproline reflects increased collagen turnover in Paget disease, hyperparathyroidism, or malignancy.
RVU Information
CPT 83500 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 83500?
CPT 83500 (Assay free hydroxyproline) is a Pathology & Lab code. Quantitative measurement of free hydroxyproline in plasma or urine using chromatographic or immunological methods.
Who uses CPT code 83500?
CPT 83500 is used by Pathology, Rheumatology, Endocrinology. Assessment of connective tissue disorders and bone metabolism. Elevated hydroxyproline reflects increased collagen turnover in Paget disease, hyperparathyroidism, or malignancy.
When is CPT 83500 used?
Assessment of connective tissue disorders and bone metabolism. Elevated hydroxyproline reflects increased collagen turnover in Paget disease, hyperparathyroidism, or malignancy.
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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.