ICD-10-CM › C00-D49 › D00-D09 › D03.2 Melanoma in situ of ear and... › D03.20

D03.20

Melanoma in situ of unspecified ear and external auricular canal

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 Melanoma in situ of ear and external auricular canal, unspecified side
  2. FY2011 Draft description revised draft Melanoma in situ of ear and external auricular canal, unspecified side Melanoma in situ of unspecified ear and external auricular canal

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 the D00-D09 section In situ neoplasms (D00-D09)

Includes

  • Bowen's disease
  • erythroplasia
  • grade III intraepithelial neoplasia
  • Queyrat's erythroplasia

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.

Codes in the same group

CodeDescriptionStatus
D03.21 Melanoma in situ of right ear and external auricular canal Valid
D03.22 Melanoma in situ of left ear and external auricular canal Valid