83883 Assay nephelometry not specimen
Also known as: nephelometry assay, turbidimetric test
Quantitative measurement of substances not specifically identified using nephelometry or turbidimetry methodology.
In Plain Language
particle measurement test
Clinical Context
General technique for measuring immunoglobulins, complement proteins, and other particles by light scattering. Used when more specific assays unavailable.
RVU Information
CPT 83883 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 83883?
CPT 83883 (Assay nephelometry not specimen) is a Pathology & Lab code. Quantitative measurement of substances not specifically identified using nephelometry or turbidimetry methodology.
Who uses CPT code 83883?
CPT 83883 is used by Pathology, Laboratory Medicine. General technique for measuring immunoglobulins, complement proteins, and other particles by light scattering. Used when more specific assays unavailable.
When is CPT 83883 used?
General technique for measuring immunoglobulins, complement proteins, and other particles by light scattering. Used when more specific assays unavailable.
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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.