ICD-10-CM › C00-D49 › C51-C58 › C codes › C56

C56

Malignant neoplasm of ovary

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

  • C56.1 Malignant neoplasm of right ovary
  • C56.2 Malignant neoplasm of left ovary
  • C56.3 Malignant neoplasm of bilateral ovaries
  • C56.9 Malignant neoplasm of unspecified ovary

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Malignant neoplasm of 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.

This code

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.