86366 Muscle-specific kinase antb
Also known as: MuSK antibody, muscle-specific kinase test
Muscle-specific kinase antibody detection, identifying pathogenic autoimmune response to this neuromuscular junction protein.
In Plain Language
muscle antibody test; nerve-muscle junction test
Clinical Context
Detects antibodies in myasthenia gravis seronegative for acetylcholine receptor antibodies. Muscle-specific kinase antibodies are present in approximately 40% of seronegative myasthenia gravis patients.
RVU Information
CPT 86366 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 86366?
CPT 86366 (Muscle-specific kinase antb) is a Pathology & Lab code. Muscle-specific kinase antibody detection, identifying pathogenic autoimmune response to this neuromuscular junction protein.
Who uses CPT code 86366?
CPT 86366 is used by Neurology, Immunology, Pathology. Detects antibodies in myasthenia gravis seronegative for acetylcholine receptor antibodies. Muscle-specific kinase antibodies are present in approximately 40% of seronegative myasthenia gravis patients.
When is CPT 86366 used?
Detects antibodies in myasthenia gravis seronegative for acetylcholine receptor antibodies. Muscle-specific kinase antibodies are present in approximately 40% of seronegative myasthenia gravis patients.
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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.