ICD-10-CM > L00-L99 > L80-L99 > L89 > L89.1 > L89.10 > L89.109 L89.109 Pressure ulcer of unspecified part of back, unspecified stage Billable/Specific Copy Code Copy Description Applicable To Healing pressure ulcer of unspecified part of back NOSHealing pressure ulcer of unspecified part of back, unspecified stage