85549 Muramidase
Also known as: Lysozyme assay, muramidase test
Muramidase (lysozyme) measurement in serum or other body fluids, an enzyme that breaks down bacterial cell walls and may indicate immune system activity or certain medical conditions.
In Plain Language
Bacterial-fighting enzyme test; Infection-fighting protein measure
Clinical Context
Elevated levels may indicate tuberculosis, sarcoidosis, inflammatory diseases, or myeloid leukemias. Used as a diagnostic marker for certain infections and malignancies.
RVU Information
CPT 85549 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 85549?
CPT 85549 (Muramidase) is a Pathology & Lab code. Muramidase (lysozyme) measurement in serum or other body fluids, an enzyme that breaks down bacterial cell walls and may indicate immune system activity or certain medical conditions.
Who uses CPT code 85549?
CPT 85549 is used by Hematology, Immunology, Infectious Disease. Elevated levels may indicate tuberculosis, sarcoidosis, inflammatory diseases, or myeloid leukemias. Used as a diagnostic marker for certain infections and malignancies.
When is CPT 85549 used?
Elevated levels may indicate tuberculosis, sarcoidosis, inflammatory diseases, or myeloid leukemias. Used as a diagnostic marker for certain infections and malignancies.
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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.