83873 Assay of csf protein
Also known as: cerebrospinal fluid protein, CSF protein
Quantitative measurement of protein concentration in cerebrospinal fluid using colorimetric or immunoturbidimetric methods.
In Plain Language
spinal fluid protein test
Clinical Context
Assessment of blood-brain barrier integrity and central nervous system inflammation. Elevated CSF protein indicates meningitis, subarachnoid hemorrhage, or demyelinating disease.
RVU Information
CPT 83873 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 83873?
CPT 83873 (Assay of csf protein) is a Pathology & Lab code. Quantitative measurement of protein concentration in cerebrospinal fluid using colorimetric or immunoturbidimetric methods.
Who uses CPT code 83873?
CPT 83873 is used by Pathology, Neurology, Infectious Disease. Assessment of blood-brain barrier integrity and central nervous system inflammation. Elevated CSF protein indicates meningitis, subarachnoid hemorrhage, or demyelinating disease.
When is CPT 83873 used?
Assessment of blood-brain barrier integrity and central nervous system inflammation. Elevated CSF protein indicates meningitis, subarachnoid hemorrhage, or demyelinating disease.
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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.