ICD-10-CM > L00-L99 > L80-L99 > L89 > L89.3 > L89.30 > L89.309 L89.309 Pressure ulcer of unspecified buttock, unspecified stage Billable/Specific Copy Code Copy Description Applicable To Healing pressure ulcer of unspecified buttock NOSHealing pressure ulcer of unspecified buttock, unspecified stage