ICD-10-CM > L00-L99 > L80-L99 > L89 > L89.1 > L89.11 > L89.114 L89.114 Pressure ulcer of right upper back, stage 4 Billable/Specific Copy Code Copy Description Applicable To Healing pressure ulcer of right upper back, stage 4Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right upper back