ICD-10-CM › L00-L99 › L20-L30 › L21 Seborrheic dermatitis › L21.1

L21.1

Seborrheic infantile dermatitis

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 Seborrheic infantile dermatitis

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 L21 Seborrheic dermatitis

Excludes2 - not included here

  • infective dermatitis (L30.3)
  • seborrheic keratosis (L82.-)

Inherited from the L20-L30 section Dermatitis and eczema (L20-L30)

Excludes2 - not included here

  • chronic (childhood) granulomatous disease (D71-)
  • dermatitis gangrenosa (L08.0)
  • dermatitis herpetiformis (L13.0)
  • dry skin dermatitis (L85.3)
  • factitial dermatitis (L98.1)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • stasis dermatitis (I87.2)

Note

  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.

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
L21.0 Seborrhea capitis Valid
L21.8 Other seborrheic dermatitis Valid
L21.9 Seborrheic dermatitis, unspecified Valid