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0429U

What 0429U is

This code appears in the Medicare NCCI edit tables. It has no RVUs in the CY2026 Physician Fee Schedule file.

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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 codeShort descriptionModifier indicator
0112U1 - modifier may bypassCheck pair
0463U1 - modifier may bypassCheck pair
80503Path clin consltj sf 5-201 - modifier may bypassCheck pair
80504Path clin consltj mod 21-401 - modifier may bypassCheck pair
80505Path clin consltj high 41-601 - modifier may bypassCheck 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 codeShort descriptionModifier indicator
0010U1Check pair
0341U1Check pair
0502U1Check pair
81105Hpa-1 genotyping1Check pair
81106Hpa-2 genotyping1Check pair
81107Hpa-3 genotyping1Check pair
81108Hpa-4 genotyping1Check pair
81109Hpa-5 genotyping1Check pair
81110Hpa-6 genotyping1Check pair
81111Hpa-9 genotyping1Check pair
81112Hpa-15 genotyping1Check pair
81120Idh1 common variants1Check pair
81121Idh2 common variants1Check pair
81161Dmd dup/delet analysis1Check pair
81162Brca1&2 gen full seq dup/del1Check 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.