L24 Irritant contact dermatitis

Category / Non-billable header 22 subcodes

Block: Dermatitis and eczema (L20-L30)

Excludes 1 (cannot be coded together)

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

Excludes 2 (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)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
L24..0 Irritant contact dermatitis due to detergents Yes
L24..1 Irritant contact dermatitis due to oils and greases Yes
L24..2 Irritant contact dermatitis due to solvents Yes
L24..3 Irritant contact dermatitis due to cosmetics Yes
L24..4 Irritant contact dermatitis due to drugs in contact with skin Yes
L24..5 Irritant contact dermatitis due to other chemical products Yes
L24..6 Irritant contact dermatitis due to food in contact with skin Yes
L24..7 Irritant contact dermatitis due to plants, except food Yes
L24..8 Irritant contact dermatitis due to other agents No
L24..81 Irritant contact dermatitis due to metals Yes
L24..89 Irritant contact dermatitis due to other agents Yes
L24..9 Irritant contact dermatitis, unspecified cause Yes
L24..A Irritant contact dermatitis due to friction or contact with body fluids No
L24..A0 Irritant contact dermatitis due to friction or contact with body fluids, unspecified Yes
L24..A1 Irritant contact dermatitis due to saliva Yes
L24..A2 Irritant contact dermatitis due to fecal, urinary or dual incontinence Yes
L24..A9 Irritant contact dermatitis due friction or contact with other specified body fluids Yes
L24..B Irritant contact dermatitis related to stoma or fistula No
L24..B0 Irritant contact dermatitis related to unspecified stoma or fistula Yes
L24..B1 Irritant contact dermatitis related to digestive stoma or fistula Yes
L24..B2 Irritant contact dermatitis related to respiratory stoma or fistula Yes
L24..B3 Irritant contact dermatitis related to fecal or urinary stoma or fistula Yes

Last reviewed: September 2026