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A4641 Radiopharm dx agent noc

What A4641 is

Radiopharmaceutical, diagnostic, not otherwise classified

HCPCS Level II long description, CMS October 2026 file. See the A codes page for the full section.

Medicare payment for A4641 (CY2026)

This code has no Physician Fee Schedule rate: Carrier-priced - the Medicare contractor sets the price. 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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A4641 is bundled into these codes

A4641 appears as a Column 2 code in 12 active edits. Reported with one of these Column 1 codes on the same date of service, A4641 is the code that denies.

Column 1 codeShort descriptionModifier indicator
78432Myocrd img pet 2rtracer0Check pair
78433Myocrd img pet 2rtracer ct0Check pair
78459Myocrd img pet single study0Check pair
78491Myocrd img pet 1std rst/strs0Check pair
78492Myocrd img pet mlt rst&strs0Check pair
78608Brain imaging (pet)0Check pair
78811Pet image ltd area0Check pair
78812Pet image skull-thigh0Check pair
78813Pet image full body0Check pair
78814Pet image w/ct lmtd0Check pair
78815Pet image w/ct skull-thigh0Check pair
78816Pet image w/ct full body0Check 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.