`0473U`

What 0473U 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 0473U 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: Nature of Analyte. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 0473U? These codes are bundled into it

0473U is a Column 1 code in 115 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
`0037U`		0 - no modifier bypass	Check pair
`0111U`		1 - modifier may bypass	Check pair
`0155U`		1 - modifier may bypass	Check pair
`0177U`		1 - modifier may bypass	Check pair
`0213U`		1 - modifier may bypass	Check pair
`0229U`		1 - modifier may bypass	Check pair
`0239U`		1 - modifier may bypass	Check pair
`0244U`		0 - no modifier bypass	Check pair
`0334U`		0 - no modifier bypass	Check pair
`0379U`		0 - no modifier bypass	Check pair
`0410U`		1 - modifier may bypass	Check pair
`0486U`		1 - modifier may bypass	Check pair
`0523U`		0 - no modifier bypass	Check pair
`0530U`		0 - no modifier bypass	Check pair
`36591`	Draw blood off venous device	0 - no modifier bypass	Check pair
`36592`	Collect blood from picc	0 - no modifier 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
`81120`	Idh1 common variants	1 - modifier may bypass	Check pair
`81121`	Idh2 common variants	1 - modifier may bypass	Check pair
`81161`	Dmd dup/delet analysis	1 - modifier may bypass	Check pair
`81162`	Brca1&2 gen full seq dup/del	1 - modifier may bypass	Check pair
`81168`	Ccnd1/igh translocation alys	1 - modifier may bypass	Check pair
`81170`	Abl1 gene	1 - modifier may bypass	Check pair
`81175`	Asxl1 full gene sequence	1 - modifier may bypass	Check pair
`81176`	Asxl1 gene target seq alys	1 - modifier may bypass	Check pair
`81191`	Ntrk1 translocation analysis	1 - modifier may bypass	Check pair
`81192`	Ntrk2 translocation analysis	1 - modifier may bypass	Check pair
`81193`	Ntrk3 translocation analysis	1 - modifier may bypass	Check pair

Showing 30 of 115 column 2 codes. Use the pair checker for any specific combination.

0473U is bundled into these codes

0473U appears as a Column 2 code in 3 active edits. Reported with one of these Column 1 codes on the same date of service, 0473U is the code that denies.

Column 1 code	Modifier indicator
`0212U`	1	Check pair
`0242U`	1	Check pair
`0326U`	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.