ICD-10-CM › N00-N99 › N60-N65 › N63.3 Unspecified lump in axillary tail › N63.31
N63.31
Unspecified lump in axillary tail of the 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 2018 to now.
- FY2018 Added to the code set Unspecified lump in axillary tail of the 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 N63 Unspecified lump in breast
Also known as
- Nodule(s) NOS in breast
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
- Node
- BI-RADS
- Swollen
- Tumefaction
- Mass > breast
- Breast > nodule
- Swelling > breast
- Nodule, nodular > breast NEC
- Lump > breast > axillary tail > right
Codes in the same group
| Code | Description | Status |
|---|---|---|
| N63.32 | Unspecified lump in axillary tail of the left breast | Valid |