L24.1 Irritant contact dermatitis due to oils and greases

Billable ICD-10-CM code, FY2026.

Applies from L24 Irritant contact dermatitis

Excludes1 (never code together)

• 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)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 692.1 Contact dermatitis and other eczema due to oils and greases

Code annotations containing back-references to L24.1

Back-references to L24

• Code First: F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere ("dermatitis (L23-L25)")
• Type 2 Excludes: L23 Allergic contact dermatitis ("irritant contact dermatitis (L24.-)")
• Type 1 Excludes: L25 Unspecified contact dermatitis ("irritant contact dermatitis (L24.-)")
• Type 2 Excludes: L27 Dermatitis due to substances taken internally ("contact dermatitis (L23-L25)")
• Type 2 Excludes: L30 Other and unspecified dermatitis ("contact dermatitis (L23-L25)")
• Type 1 Excludes: L53 Other erythematous conditions ("erythema due to external agents in contact with skin (L23-L25)")
• Type 1 Excludes: T78.4 Other and unspecified allergy ("dermatitis (L23-L25, L27.-)")

Diagnosis Index entries for L24.1

• Dermatitis (eczematous) › contact (occupational) › irritant › due to › oils and greases
• Dermatitis (eczematous) › due to › greases NEC (contact) (irritant)
• Dermatitis (eczematous) › due to › oils NEC (contact) (irritant)

Nearby codes

• L24 Irritant contact dermatitis
• L24.0 Irritant contact dermatitis due to detergents
• L24.1 Irritant contact dermatitis due to oils and greases (this code)
• L24.2 Irritant contact dermatitis due to solvents
• L24.3 Irritant contact dermatitis due to cosmetics
• L24.4 Irritant contact dermatitis due to drugs in contact with skin
• L24.5 Irritant contact dermatitis due to other chemical products
• L24.6 Irritant contact dermatitis due to food in contact with skin