Unspecified lump in unspecified breast

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2018 onwards.

What has happened to this code

Every change the publisher made, from 2018 to now.

FY2018 Added to the code set Unspecified lump in unspecified breast
FY2019 Description revised ~~Unspecified lump in unspecified breast~~ Unspecified lump in unspecified 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
Mass > breast
Breast > nodule
Swelling > breast
Nodule, nodular > breast NEC

Codes in the same group

Code	Description	Status
N63.1	Unspecified lump in the right breast	Not billable
N63.2	Unspecified lump in the left breast	Not billable
N63.3	Unspecified lump in axillary tail	Not billable
N63.4	Unspecified lump in breast, subareolar	Not billable