ICD-10-CM > L00-L99 > L20-L30 > L24 > L24.B L24.B Irritant contact dermatitis related to stoma or fistula Non-Billable/Non-Specific Use Additional code to identify any artificial opening status (Z93.-), if applicable, for contact dermatitis related to stoma secretions Codes L24.B0Irritant contact dermatitis related to unspecified stoma or fistulaL24.B1Irritant contact dermatitis related to digestive stoma or fistulaL24.B2Irritant contact dermatitis related to respiratory stoma or fistulaL24.B3Irritant contact dermatitis related to fecal or urinary stoma or fistula