83884 Assay neurflmnt light chain
Also known as: neurofilament light chain, NfL assay
Quantitative measurement of neurofilament light chain protein in serum or cerebrospinal fluid using immunoassay methodology.
In Plain Language
nerve damage marker; neurodegeneration indicator
Clinical Context
Biomarker for neuronal injury in neurodegenerative diseases including multiple sclerosis, Alzheimer disease, and traumatic brain injury. Emerging as prognostic tool.
RVU Information
CPT 83884 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 83884?
CPT 83884 (Assay neurflmnt light chain) is a Pathology & Lab code. Quantitative measurement of neurofilament light chain protein in serum or cerebrospinal fluid using immunoassay methodology.
Who uses CPT code 83884?
CPT 83884 is used by Pathology, Neurology, Clinical Neurochemistry. Biomarker for neuronal injury in neurodegenerative diseases including multiple sclerosis, Alzheimer disease, and traumatic brain injury. Emerging as prognostic tool.
When is CPT 83884 used?
Biomarker for neuronal injury in neurodegenerative diseases including multiple sclerosis, Alzheimer disease, and traumatic brain injury. Emerging as prognostic tool.
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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.