ICD-10-CM › C00-D49 › C51-C58 › C56 Malignant neoplasm of ovary › C56.9

C56.9

Malignant neoplasm of unspecified ovary

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.

  1. FY2007 Added to the draft code set draft Malignant neoplasm of ovary, unspecified side
  2. FY2011 Draft description revised draft Malignant neoplasm of ovary, unspecified side Malignant neoplasm of unspecified ovary

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 C56 Malignant neoplasm of ovary

Use additional code

  • code to identify any functional activity

Inherited from the C51-C58 section Malignant neoplasms of female genital organs (C51-C58)

Includes

  • malignant neoplasm of skin of female genital organs

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.

Showing 40 of 49 index phrases.

Codes in the same group

CodeDescriptionStatus
C56.1 Malignant neoplasm of right ovary Valid
C56.2 Malignant neoplasm of left ovary Valid
C56.3 Malignant neoplasm of bilateral ovaries Valid