ICD-10-CM > L00-L99 > L40-L45 > L40 L40 Psoriasis Non-Billable/Non-Specific Codes L40.0Psoriasis vulgarisL40.1Generalized pustular psoriasisL40.2Acrodermatitis continuaL40.3Pustulosis palmaris et plantarisL40.4Guttate psoriasisL40.5Arthropathic psoriasisL40.50Arthropathic psoriasis, unspecifiedL40.51Distal interphalangeal psoriatic arthropathyL40.52Psoriatic arthritis mutilansL40.53Psoriatic spondylitisL40.54Psoriatic juvenile arthropathyL40.59Other psoriatic arthropathyL40.8Other psoriasisL40.9Psoriasis, unspecified