N64.9

N64.9: Disorder of breast, unspecified

Billable / specific codeICD-10-CMunspecified

N64.9 is a billable, specific ICD-10-CM code for disorder of breast, unspecified. It is valid for submission on a claim.

Check N64.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above N64.9

Not part of this code, but both may be coded when both are present.

Written on N64: Other disorders of breast

mechanical complication of breast prosthesis and implant (T85.4-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N64.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56448Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography

Alphabetic index entries that lead here

Mastopathy, mastopathia
Disease, diseased›breast
Disease, diseased›nipple
Disorder›breast

Code history

Unchanged in every release from FY2024 to FY2027.