ICD-10-CM › N00-N99 › N80-N98 › N90 Other noninflammatory disorders of... › N90.4

N90.4

Leukoplakia of vulva

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 Leukoplakia of vulva

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 N90 Other noninflammatory disorders of vulva and perineum

Excludes1 - never coded here

  • anogenital (venereal) warts (A63.0)
  • carcinoma in situ of vulva (D07.1)
  • condyloma acuminatum (A63.0)
  • current obstetric trauma (O70.-, O71.7-O71.8)
  • inflammation of vulva (N76.-)
  • severe dysplasia of vulva (D07.1)
  • vulvar intraepithelial neoplasm III [VIN III] (D07.1)

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 48 index phrases.

Codes in the same group

CodeDescriptionStatus
N90.0 Mild vulvar dysplasia Valid
N90.1 Moderate vulvar dysplasia Valid
N90.3 Dysplasia of vulva, unspecified Valid
N90.5 Atrophy of vulva Valid
N90.6 Hypertrophy of vulva Not billable
N90.7 Vulvar cyst Valid
N90.8 Other specified noninflammatory disorders of vulva and perineum Not billable
N90.9 Noninflammatory disorder of vulva and perineum, unspecified Valid