ICD-10-CM › N00-N99 › N60-N65 › N64.8 Other specified disorders of breast › N64.89
Other specified disorders of 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 2010 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.
- FY2010 Added to the draft code set draft Other specified 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.
Inherited from N64 Other disorders of breast
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)
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.
- Lump
- Retained
- Macromastia
- Stroke > cryptogenic
- Disease, diseased > artery
- Disease, diseased > breast
- Infarct, infarction > brain
- Infarct, infarction > cerebellar
- Hyperplasia, hyperplastic > breast
- Atrophy, atrophic > breast > obstetric
- Hypertrophy, hypertrophic > mammary gland
- Hypertrophy, hypertrophic > breast > puerperal, postpartum
- Cyst > milk
- Galactocele
- Hematoma > breast
- Deformity > breast
- Pendulous > breast
- Subinvolution > breast
- Infarct, infarction > breast
- Deformity > nipple > acquired
- Unilateral > development, breast
- Occlusion, occluded > mammary duct
- Degeneration, degenerative > breast
- Degeneration, degenerative > nipple
- Disorder > breast > specified type NEC
- Mastopathy, mastopathia > ovarian origin
- Disease, diseased > breast > specified NEC
- Mastopathy, mastopathia > estrogenic, oestrogenica, oestrogenic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| N64.81 | Ptosis of breast | Valid |
| N64.82 | Hypoplasia of breast | Valid |