ICD-10-CM › N00-N99 › N60-N65 › N60.9 Unspecified benign mammary dysplasia › N60.91
Unspecified benign mammary dysplasia of right breast
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Unspecified benign mammary dysplasia of right breast
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from N60 Benign mammary dysplasia
Includes
- fibrocystic mastopathy
Inherited from the N60-N65 section Disorders of breast (N60-N65)
Excludes1 - never coded here
- disorders of breast associated with childbirth (O91-O92)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Dysplasia > mammary
- Hyperplasia, hyperplastic > breast > atypical, atypia
- Hyperplasia, hyperplastic > breast > atypical, atypia > ductal
- Hyperplasia, hyperplastic > breast > atypical, atypia > lobular
Codes in the same group
| Code | Description | Status |
|---|---|---|
| N60.92 | Unspecified benign mammary dysplasia of left breast | Valid |
| N60.99 | Unspecified benign mammary dysplasia of unspecified breast | Valid |