0429U
What 0429U is
This code appears in the Medicare NCCI edit tables. It has no RVUs in the CY2026 Physician Fee Schedule file.
Medically Unlikely Edit (MUE)
Medicare caps 0429U at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 0429U? These codes are bundled into it
0429U is a Column 1 code in 5 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 | |
|---|---|---|---|
0112U | 1 - modifier may bypass | Check pair | |
0463U | 1 - modifier may bypass | Check pair | |
80503 | Path clin consltj sf 5-20 | 1 - modifier may bypass | Check pair |
80504 | Path clin consltj mod 21-40 | 1 - modifier may bypass | Check pair |
80505 | Path clin consltj high 41-60 | 1 - modifier may bypass | Check pair |
0429U is bundled into these codes
0429U appears as a Column 2 code in 232 active edits. Reported with one of these Column 1 codes on the same date of service, 0429U is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
0010U | 1 | Check pair | |
0341U | 1 | Check pair | |
0502U | 1 | Check pair | |
81105 | Hpa-1 genotyping | 1 | Check pair |
81106 | Hpa-2 genotyping | 1 | Check pair |
81107 | Hpa-3 genotyping | 1 | Check pair |
81108 | Hpa-4 genotyping | 1 | Check pair |
81109 | Hpa-5 genotyping | 1 | Check pair |
81110 | Hpa-6 genotyping | 1 | Check pair |
81111 | Hpa-9 genotyping | 1 | Check pair |
81112 | Hpa-15 genotyping | 1 | Check pair |
81120 | Idh1 common variants | 1 | Check pair |
81121 | Idh2 common variants | 1 | Check pair |
81161 | Dmd dup/delet analysis | 1 | Check pair |
81162 | Brca1&2 gen full seq dup/del | 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.