84035 Assay of phenylketones
Also known as: phenylketones urine, phenyl compounds urine
Quantitative measurement of phenylketones in urine, reflecting elevated phenylalanine and associated metabolites in phenylketonuria.
In Plain Language
PKU urine test
Clinical Context
Screening for phenylketonuria through detection of abnormal phenylalanine metabolites in urine. Less sensitive than plasma phenylalanine but historically used screening method.
RVU Information
CPT 84035 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 84035?
CPT 84035 (Assay of phenylketones) is a Pathology & Lab code. Quantitative measurement of phenylketones in urine, reflecting elevated phenylalanine and associated metabolites in phenylketonuria.
Who uses CPT code 84035?
CPT 84035 is used by Pathology, Pediatrics, Genetics. Screening for phenylketonuria through detection of abnormal phenylalanine metabolites in urine. Less sensitive than plasma phenylalanine but historically used screening method.
When is CPT 84035 used?
Screening for phenylketonuria through detection of abnormal phenylalanine metabolites in urine. Less sensitive than plasma phenylalanine but historically used screening method.
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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.