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86317 Immunoassay infectious agent

What 86317 is

CMS fee schedule short descriptor: Immunoassay infectious agent.

Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.

Medicare payment for 86317 (CY2026)

This code has no Physician Fee Schedule rate: Statutory exclusion - not payable under the Physician Fee Schedule. It may be paid under a different fee schedule (clinical laboratory, DMEPOS, anesthesia) or not paid at all - check the relevant CMS schedule.

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Medically Unlikely Edit (MUE)

Medicare caps 86317 at 6 units per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Clinical: CMS Workgroup. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 86317? These codes are bundled into it

86317 is a Column 1 code in 4 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.

Column 2 codeShort descriptionModifier indicator
86318Ia infectious agent antibody1 - modifier may bypassCheck pair
86328Ia nfct ab sarscov2 covid191 - modifier may bypassCheck pair
86581Strptcs pneum antb serot ia1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

86317 is bundled into these codes

86317 appears as a Column 2 code in 1 active edits. Reported with one of these Column 1 codes on the same date of service, 86317 is the code that denies.

Column 1 codeShort descriptionModifier indicator
86413Sars-cov-2 antb quantitative0Check pair

Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.