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88346 Imfluor 1st 1antb stain px

What 88346 is

CMS fee schedule short descriptor: Imfluor 1st 1antb stain px.

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 88346 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)0.723.350.034.10$136.94
Facility (hospital, ASC)0.723.350.034.10$136.94

National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.


Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.

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Medically Unlikely Edit (MUE)

Medicare caps 88346 at 3 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: Data. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 88346? These codes are bundled into it

88346 is a Column 1 code in 2 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
88373M/phmtrc alys ishquant/semiq1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

88346 is bundled into these codes

88346 appears as a Column 2 code in 79 active edits. Reported with one of these Column 1 codes on the same date of service, 88346 is the code that denies.

Column 1 codeShort descriptionModifier indicator
0009U1Check pair
0086U1Check pair
0107U1Check pair
0140U1Check pair
0141U1Check pair
0142U1Check pair
0312U1Check pair
0321U1Check pair
0441U1Check pair
86052Aquaporin-4 antb cba each1Check pair
86053Aqaprn-4 antb flo cytmtry ea1Check pair
86152Cell enumeration & id1Check pair
861531Check pair
86362Mog-igg1 antb cba each1Check pair
86363Mog-igg1 antb flo cytmtry ea1Check 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.