ICD-10-CM › L00-L99 › L20-L30 › L24.B Irritant contact dermatitis... › L24.B2

Valid for claims with a date of service in the current code year.

Valid FY2022 onwards.

What has happened to this code

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 L24 Irritant contact dermatitis

Excludes1 - never coded here

• allergy NOS (T78.40)
• contact dermatitis NOS (L25.9)
• dermatitis NOS (L30.9)

Excludes2 - not included here

• allergic contact dermatitis (L23.-)
• dermatitis due to substances taken internally (L27.-)
• dermatitis of eyelid (H01.1-)
• diaper dermatitis (L22)
• eczema of external ear (H60.5-)
• perioral dermatitis (L71.0)
• radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

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)
• 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.

• Eczema > contact
• Dermatitis > irritant
• Dermatosis > occupational
• Dermatitis > contact > irritant > related to > tracheostomy
• Dermatitis > contact > irritant > related to > stoma or fistula > respiratory

Codes in the same group

Code	Description	Status
L24.B0	Irritant contact dermatitis related to unspecified stoma or fistula	Valid
L24.B1	Irritant contact dermatitis related to digestive stoma or fistula	Valid
L24.B3	Irritant contact dermatitis related to fecal or urinary stoma or fistula	Valid