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0009U

What 0009U 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 0009U at 2 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 Analyte. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 0009U? These codes are bundled into it

0009U is a Column 1 code in 31 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
0086U1 - modifier may bypassCheck pair
0140U1 - modifier may bypassCheck pair
0141U1 - modifier may bypassCheck pair
0142U1 - modifier may bypassCheck pair
0321U1 - 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
80506Path clin consltj prolng svc1 - modifier may bypassCheck pair
84311Spectrophotometry1 - modifier may bypassCheck pair
88271Cytogenetics dna probe1 - modifier may bypassCheck pair
88272Cytogenetics 3-51 - modifier may bypassCheck pair
88273Cytogenetics 10-301 - modifier may bypassCheck pair
88274Cytogenetics 25-991 - modifier may bypassCheck pair
88275Cytogenetics 100-3001 - modifier may bypassCheck pair
88291Cyto/molecular report1 - modifier may bypassCheck pair
88346Imfluor 1st 1antb stain px1 - modifier may bypassCheck pair
88358Analysis tumor1 - modifier may bypassCheck pair
88364Insitu hybridization (fish)1 - modifier may bypassCheck pair
88365Insitu hybridization (fish)1 - modifier may bypassCheck pair
88366Insitu hybridization (fish)1 - modifier may bypassCheck pair
88367Insitu hybridization auto1 - modifier may bypassCheck pair
88368Insitu hybridization manual1 - modifier may bypassCheck pair
88369M/phmtrc alysishquant/semiq1 - modifier may bypassCheck pair
88373M/phmtrc alys ishquant/semiq1 - modifier may bypassCheck pair
88374M/phmtrc alys ishquant/semiq1 - modifier may bypassCheck pair
88377M/phmtrc alys ishquant/semiq1 - modifier may bypassCheck pair
88380Microdissection laser1 - modifier may bypassCheck pair
88381Microdissection manual1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

Showing 30 of 31 column 2 codes. Use the pair checker for any specific combination.

0009U is bundled into these codes

0009U appears as a Column 2 code in 373 active edits. Reported with one of these Column 1 codes on the same date of service, 0009U is the code that denies.

Column 1 codeShort descriptionModifier indicator
0004M1Check pair
0006M1Check pair
0007M1Check pair
0016U1Check pair
0017U1Check pair
0026U1Check pair
0027U1Check pair
0030U1Check pair
0032U1Check pair
0034U1Check pair
0040U1Check pair
0045U1Check pair
0046U1Check pair
0047U1Check pair
0049U1Check 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.