L24.5
Irritant contact dermatitis due to other chemical products
L24.5 (also written L245) is a billable ICD-10-CM diagnosis code for irritant contact dermatitis due to other chemical products. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 19 codes in category L24 (Irritant contact dermatitis). The Alphabetic Index lists it under 12 entries. Its coding notes include 3 Excludes1 entries and 25 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (18 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Inclusion terms
Conditions classified to this code.
- Irritant contact dermatitis due to cement
- Irritant contact dermatitis due to insecticide
- Irritant contact dermatitis due to plastic
- Irritant contact dermatitis due to rubber
Notes
Also from chapter/block level (1 note)
- In this block the terms dermatitis and eczema are used synonymously and interchangeably.
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 12 entries
- Dermatitis (eczematous), contact (occupational), irritant, due to, cement
- Dermatitis (eczematous), contact (occupational), irritant, due to, chemical products NEC
- Dermatitis (eczematous), due to, acids (contact) (irritant)
- Dermatitis (eczematous), due to, adhesive (s) (allergic) (contact) (plaster), irritant
- Dermatitis (eczematous), due to, alkalis (contact) (irritant)
- Dermatitis (eczematous), due to, caustics (contact) (irritant)
- Dermatitis (eczematous), due to, insecticide in contact with skin
- Dermatitis (eczematous), due to, nylon (contact) (irritant)
- Dermatitis (eczematous), due to, plasters (adhesive) (any) (allergic) (contact), irritant
- Dermatitis (eczematous), due to, rubber (contact)
- Erythema, erythematous (infectional) (inflammation), due to, chemical NEC, in contact with skin
- Itch, itching, bricklayer's