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C9606

What C9606 is

Percutaneous transluminal revascularization of acute total/subtotal occlusion during acute myocardial infarction, coronary artery or coronary artery bypass graft, any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including aspiration thrombectomy when performed, single vessel

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

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Medically Unlikely Edit (MUE)

Medicare caps C9606 at 1 unit 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: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with C9606? These codes are bundled into it

C9606 is a Column 1 code in 236 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
01924Anes ther ivntl rad artl nos0 - no modifier bypassCheck pair
01925Anes ivntl rad artl crtd/c0 - no modifier bypassCheck pair
01926Anes ivntl rad icr icar/aort0 - no modifier bypassCheck pair
0213TNjx paravert w/us cer/thor0 - no modifier bypassCheck pair
0216TNjx paravert w/us lumb/sac0 - no modifier bypassCheck pair
0596TTemp fml iu vlv-pmp 1st insj1 - modifier may bypassCheck pair
0597TTemp fml iu valve-pmp rplcmt1 - modifier may bypassCheck pair
0632TPerq tcat us abltj nrv p-art1 - modifier may bypassCheck pair
0708TId ca immntx prep & 1st njx1 - modifier may bypassCheck pair
0709TId ca immntx each addl njx1 - modifier may bypassCheck pair
0903TEcg alg 12 lead reduced i&r1 - modifier may bypassCheck pair
0904TEcg alg 12 ld rdcd trcg only1 - modifier may bypassCheck pair
0905TEcg alg 12 ld rdcd i&r only1 - modifier may bypassCheck pair
0937TXtrnl ecg rec>15d<30d1 - modifier may bypassCheck pair
0938TXtrnl ecg rec>15d<30d rec1 - modifier may bypassCheck pair
0939TXtrnl ecg rec>15d<30d scan1 - modifier may bypassCheck pair
0940TXtrnl ecg rec>15d<30d r&i1 - modifier may bypassCheck pair
11000Dbrdmt ecz/infected skin<10%1 - modifier may bypassCheck pair
11001Dbrdmt ecz/infct skn ea addl1 - modifier may bypassCheck pair
11004Dbrdmt skin xtrnl gent&per1 - modifier may bypassCheck pair
11005Dbrdmt skin abdominal wall1 - modifier may bypassCheck pair
11006Dbrdmt skin xtrnl gent per1 - modifier may bypassCheck pair
11042Dbrdmt subq tis 1st 20sqcm/<1 - modifier may bypassCheck pair
11043Dbrdmt musc&/fsca 1st 20/<1 - modifier may bypassCheck pair
11044Dbrdmt bone 1st 20 sq cm/<1 - modifier may bypassCheck pair
11045Dbrdmt subq tiss each addl1 - modifier may bypassCheck pair
11046Dbrdmt musc&/fsca ea addl1 - modifier may bypassCheck pair
11047Dbrdmt bone each addl1 - modifier may bypassCheck pair
12001Rpr s/n/ax/gen/trnk 2.5cm/<1 - modifier may bypassCheck pair
12002Rpr s/n/ax/gen/trnk2.6-7.5cm1 - modifier may bypassCheck pair

Showing 30 of 236 column 2 codes. Use the pair checker for any specific combination.

C9606 is bundled into these codes

C9606 appears as a Column 2 code in 10 active edits. Reported with one of these Column 1 codes on the same date of service, C9606 is the code that denies.

Column 1 codeShort descriptionModifier indicator
0659TTcat intra-c nfs supersat o21Check pair
33500Repair heart vessel fistula1Check pair
33501Repair heart vessel fistula1Check pair
33502Coronary artery correction1Check pair
33503Coronary artery graft1Check pair
33504Coronary artery graft1Check pair
33505Repair artery w/tunnel1Check pair
33506Repair artery translocation1Check pair
92941Prq trlml revsc tot occl ami1Check pair
92943Prq trluml revsc ch occ ant1Check 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.