L89.1 - Pressure ulcer of back
L89.10 - Pressure ulcer of unspecified part of back
L89.103 - Pressure ulcer of unspecified part of back, stage 3
InclusionTerm:
-Healing pressure ulcer of unspecified part of back, stage 3
-Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified part of back