ICD-10-CM › N00-N99 › N60-N65 › N codes › N64

N64

Other disorders of breast

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 8 more specific codes instead:

  • N64.0 Fissure and fistula of nipple
  • N64.1 Fat necrosis of breast
  • N64.2 Atrophy of breast
  • N64.3 Galactorrhea not associated with childbirth
  • N64.4 Mastodynia
  • N64.5 Other signs and symptoms in breast (also a header)
  • N64.8 Other specified disorders of breast (also a header)
  • N64.9 Disorder of breast, unspecified

What has happened to this code

Every change the publisher made, from 2012 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.

  1. FY2012 Added to the draft code set draft Other disorders of 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.

This code

Excludes2 - not included here

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

Inherited from the N60-N65 section Disorders of breast (N60-N65)

Excludes1 - never coded here

  • disorders of breast associated with childbirth (O91-O92)