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.
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 code | Short description | Modifier indicator | |
|---|---|---|---|
01924 | Anes ther ivntl rad artl nos | 0 - no modifier bypass | Check pair |
01925 | Anes ivntl rad artl crtd/c | 0 - no modifier bypass | Check pair |
01926 | Anes ivntl rad icr icar/aort | 0 - no modifier bypass | Check pair |
0213T | Njx paravert w/us cer/thor | 0 - no modifier bypass | Check pair |
0216T | Njx paravert w/us lumb/sac | 0 - no modifier bypass | Check pair |
0596T | Temp fml iu vlv-pmp 1st insj | 1 - modifier may bypass | Check pair |
0597T | Temp fml iu valve-pmp rplcmt | 1 - modifier may bypass | Check pair |
0632T | Perq tcat us abltj nrv p-art | 1 - modifier may bypass | Check pair |
0708T | Id ca immntx prep & 1st njx | 1 - modifier may bypass | Check pair |
0709T | Id ca immntx each addl njx | 1 - modifier may bypass | Check pair |
0903T | Ecg alg 12 lead reduced i&r | 1 - modifier may bypass | Check pair |
0904T | Ecg alg 12 ld rdcd trcg only | 1 - modifier may bypass | Check pair |
0905T | Ecg alg 12 ld rdcd i&r only | 1 - modifier may bypass | Check pair |
0937T | Xtrnl ecg rec>15d<30d | 1 - modifier may bypass | Check pair |
0938T | Xtrnl ecg rec>15d<30d rec | 1 - modifier may bypass | Check pair |
0939T | Xtrnl ecg rec>15d<30d scan | 1 - modifier may bypass | Check pair |
0940T | Xtrnl ecg rec>15d<30d r&i | 1 - modifier may bypass | Check pair |
11000 | Dbrdmt ecz/infected skin<10% | 1 - modifier may bypass | Check pair |
11001 | Dbrdmt ecz/infct skn ea addl | 1 - modifier may bypass | Check pair |
11004 | Dbrdmt skin xtrnl gent&per | 1 - modifier may bypass | Check pair |
11005 | Dbrdmt skin abdominal wall | 1 - modifier may bypass | Check pair |
11006 | Dbrdmt skin xtrnl gent per | 1 - modifier may bypass | Check pair |
11042 | Dbrdmt subq tis 1st 20sqcm/< | 1 - modifier may bypass | Check pair |
11043 | Dbrdmt musc&/fsca 1st 20/< | 1 - modifier may bypass | Check pair |
11044 | Dbrdmt bone 1st 20 sq cm/< | 1 - modifier may bypass | Check pair |
11045 | Dbrdmt subq tiss each addl | 1 - modifier may bypass | Check pair |
11046 | Dbrdmt musc&/fsca ea addl | 1 - modifier may bypass | Check pair |
11047 | Dbrdmt bone each addl | 1 - modifier may bypass | Check pair |
12001 | Rpr s/n/ax/gen/trnk 2.5cm/< | 1 - modifier may bypass | Check pair |
12002 | Rpr s/n/ax/gen/trnk2.6-7.5cm | 1 - modifier may bypass | Check 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 code | Short description | Modifier indicator | |
|---|---|---|---|
0659T | Tcat intra-c nfs supersat o2 | 1 | Check pair |
33500 | Repair heart vessel fistula | 1 | Check pair |
33501 | Repair heart vessel fistula | 1 | Check pair |
33502 | Coronary artery correction | 1 | Check pair |
33503 | Coronary artery graft | 1 | Check pair |
33504 | Coronary artery graft | 1 | Check pair |
33505 | Repair artery w/tunnel | 1 | Check pair |
33506 | Repair artery translocation | 1 | Check pair |
92941 | Prq trlml revsc tot occl ami | 1 | Check pair |
92943 | Prq trluml revsc ch occ ant | 1 | Check 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.