83935 Assay of urine osmolality
Also known as: urine osmolality, urine osm
Quantitative measurement of urine osmolality using freezing point depression or vapor pressure osmometry.
In Plain Language
urine concentration test
Clinical Context
Assessment of renal concentration and dilution capacity. Used in evaluation of polyuria, diabetes insipidus, SIADH, and acute kidney injury.
RVU Information
CPT 83935 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 83935?
CPT 83935 (Assay of urine osmolality) is a Pathology & Lab code. Quantitative measurement of urine osmolality using freezing point depression or vapor pressure osmometry.
Who uses CPT code 83935?
CPT 83935 is used by Pathology, Nephrology, Internal Medicine. Assessment of renal concentration and dilution capacity. Used in evaluation of polyuria, diabetes insipidus, SIADH, and acute kidney injury.
When is CPT 83935 used?
Assessment of renal concentration and dilution capacity. Used in evaluation of polyuria, diabetes insipidus, SIADH, and acute kidney injury.
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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.