86309 Heterophile antibody titer
Also known as: Monospot titer, heterophile titer
Heterophile antibody titer test quantitatively measures heterophile antibodies through serial dilutions, determining severity and timing of Epstein-Barr virus infection.
In Plain Language
Infectious mononucleosis severity test; Antibody level measurement
Clinical Context
Quantifies heterophile antibody levels in infectious mononucleosis. High titers indicate more recent infection while declining titers suggest recovery.
RVU Information
CPT 86309 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 86309?
CPT 86309 (Heterophile antibody titer) is a Pathology & Lab code. Heterophile antibody titer test quantitatively measures heterophile antibodies through serial dilutions, determining severity and timing of Epstein-Barr virus infection.
Who uses CPT code 86309?
CPT 86309 is used by Microbiology, Immunology, Infectious Disease. Quantifies heterophile antibody levels in infectious mononucleosis. High titers indicate more recent infection while declining titers suggest recovery.
When is CPT 86309 used?
Quantifies heterophile antibody levels in infectious mononucleosis. High titers indicate more recent infection while declining titers suggest recovery.
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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.