0311U
What 0311U 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 0311U at 6 units 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: Nature of Service/Procedure. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 0311U? These codes are bundled into it
0311U is a Column 1 code in 16 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 | |
|---|---|---|---|
0086U | 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 |
80506 | Path clin consltj prolng svc | 1 - modifier may bypass | Check pair |
87076 | Culture anaerobe ident each | 1 - modifier may bypass | Check pair |
87077 | Culture aerobic identify | 1 - modifier may bypass | Check pair |
87181 | Sc std agar dilution per agt | 1 - modifier may bypass | Check pair |
87184 | Sc std disk method per plate | 1 - modifier may bypass | Check pair |
87185 | Sc std enzyme detcj per nzm | 1 - modifier may bypass | Check pair |
87186 | Sc std microdil/agar dil | 1 - modifier may bypass | Check pair |
87187 | Sc std microdil/agar mlc | 1 - modifier may bypass | Check pair |
87188 | Sc std macrobroth dil meth | 1 - modifier may bypass | Check pair |
87190 | Sc std myobacteria prop meth | 1 - modifier may bypass | Check pair |
87197 | Serum bactericidal titer | 1 - modifier may bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | 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.