87449 not otherwise specified each organism ag ia
Also known as: organism antigen NOS, unspecified organism antigen IA, other organism antigen
Detection and identification of organism antigens not specifically described in other codes using immunoassay methodology.
In Plain Language
other organism antigen test
Clinical Context
Used for detection of uncommon or atypical organisms not covered by specific codes. Often requires specialized or custom assays.
RVU Information
CPT 87449 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 87449?
CPT 87449 (not otherwise specified each organism ag ia) is a Pathology & Lab code. Detection and identification of organism antigens not specifically described in other codes using immunoassay methodology.
Who uses CPT code 87449?
CPT 87449 is used by pathology, microbiology, clinical laboratory. Used for detection of uncommon or atypical organisms not covered by specific codes. Often requires specialized or custom assays.
When is CPT 87449 used?
Used for detection of uncommon or atypical organisms not covered by specific codes. Often requires specialized or custom assays.
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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.