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70557 Mri brain w/o dye

What 70557 is

CMS fee schedule short descriptor: Mri brain w/o dye.

Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.

Medicare payment for 70557 (CY2026)

This code has no Physician Fee Schedule rate: Carrier-priced - the Medicare contractor sets the price. It may be paid under a different fee schedule (clinical laboratory, DMEPOS, anesthesia) or not paid at all - check the relevant CMS schedule.

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Medically Unlikely Edit (MUE)

Medicare caps 70557 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: Anatomic Consideration. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 70557? These codes are bundled into it

70557 is a Column 1 code in 10 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
01922Anes n-invas img/radj ther0 - no modifier bypassCheck pair
36591Draw blood off venous device0 - no modifier bypassCheck pair
36592Collect blood from picc0 - no modifier bypassCheck pair
70544Mr angiography head w/o dye1 - modifier may bypassCheck pair
70545Mr angiography head w/dye1 - modifier may bypassCheck pair
70546Mr angiograph head w/o&w/dye1 - modifier may bypassCheck pair
70552Mri brain stem w/dye1 - modifier may bypassCheck pair
70553Mri brain stem w/o & w/dye1 - modifier may bypassCheck pair
77021Mri guidance ndl plmt rs&i1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

70557 is bundled into these codes

70557 appears as a Column 2 code in 11 active edits. Reported with one of these Column 1 codes on the same date of service, 70557 is the code that denies.

Column 1 codeShort descriptionModifier indicator
61736Litt icr 1 traj 1 smpl les0Check pair
61737Litt icr mlt trj mlt/cplx ls0Check pair
61781Scan proc cranial intra1Check pair
61782Scan proc cranial extra1Check pair
61783Scan proc spinal1Check pair
70551Mri brain stem w/o dye1Check pair
70554Fmri brain by tech1Check pair
70555Fmri brain by phys/psych1Check pair
70558Mri brain w/dye1Check pair
70559Mri brain w/o & w/dye1Check pair
77022Mri gdn parnchyma tiss abltj1Check 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.