ICD-10-CM > L00-L99 > L40-L45 > L40 > L40.5 L40.5 Arthropathic psoriasis Non-Billable/Non-Specific Codes L40.50Arthropathic psoriasis, unspecifiedL40.51Distal interphalangeal psoriatic arthropathyL40.52Psoriatic arthritis mutilansL40.53Psoriatic spondylitisL40.54Psoriatic juvenile arthropathyL40.59Other psoriatic arthropathy