Malignant neoplasm of nipple and areola, unspecified female breast

ValidICD-10-CM diagnosis code.

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

Valid FY2016 onwards.

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 Malignant neoplasm of nipple and areola, unspecified female 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 C50 Malignant neoplasm of breast

Excludes1 - never coded here

skin of breast (C44.501, C44.511, C44.521, C44.591)

Use additional code

code to identify estrogen, and other hormones and factors receptor status (Z17.-)

Includes

connective tissue of breast
Paget's disease of breast
Paget's disease of nipple

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.

Paget's disease > nipple
Paget's disease > mammary
Paget's disease > breast
Disease, diseased > nipple > Paget's
Paget's disease > malignant > breast
Disease, diseased > nipple > Paget's > female
Paget's disease > malignant > unspecified site

Codes in the same group

Code	Description	Status
C50.011	Malignant neoplasm of nipple and areola, right female breast	Valid
C50.012	Malignant neoplasm of nipple and areola, left female breast	Valid