86318 Ia infectious agent antibody
Also known as: Infectious disease serology, pathogen antibody
Immunoassay infectious agent antibody test detects antibodies against infectious agents, indicating exposure or infection with bacteria, viruses, fungi, or parasites.
In Plain Language
Infection antibody test; Disease exposure detection
Clinical Context
Identifies past or present infection with specific pathogens through antibody detection. Used for syphilis, HIV, hepatitis, toxoplasmosis, and many other infections.
RVU Information
CPT 86318 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 86318?
CPT 86318 (Ia infectious agent antibody) is a Pathology & Lab code. Immunoassay infectious agent antibody test detects antibodies against infectious agents, indicating exposure or infection with bacteria, viruses, fungi, or parasites.
Who uses CPT code 86318?
CPT 86318 is used by Microbiology, Immunology, Infectious Disease. Identifies past or present infection with specific pathogens through antibody detection. Used for syphilis, HIV, hepatitis, toxoplasmosis, and many other infections.
When is CPT 86318 used?
Identifies past or present infection with specific pathogens through antibody detection. Used for syphilis, HIV, hepatitis, toxoplasmosis, and many other infections.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.