L24.B – Irritant contact dermatitis related to stoma or fistula

ICD-10-CM 2027 diagnosis code · Dermatitis and eczema

Non-billable header

ICD-10-CM code L24.B
Code
L24.B (claims format: L24B)
Description
Irritant contact dermatitis related to stoma or fistula
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block
L20-L30 Dermatitis and eczema
Parent codes
L24

Billable codes under L24.B

L24.B is a header code and cannot be used on claims. Choose the most specific code:

Notes for L24.B

Use additional code:
  • code to identify any artificial opening status (Z93.-), if applicable, for contact dermatitis related to stoma secretions

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

L24 – Irritant contact dermatitis

Excludes1 (not coded here):
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)

Block 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)
Notes:
  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.

Related codes in L24

Frequently asked questions

What is ICD-10 code L24.B?

L24.B is the ICD-10-CM code for irritant contact dermatitis related to stoma or fistula, in the block L20-L30 (Dermatitis and eczema).

Is L24.B a billable code?

No. L24.B is a header code with more specific child codes; report one of the billable codes listed above.

What category does L24.B belong to?

It belongs to category L24 – Irritant contact dermatitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.