L89.10 - Pressure ulcer of unspecified part of back L89.1 - Pressure ulcer of back L89.10 - Pressure ulcer of unspecified part of back
L89.100 - Pressure ulcer of unspecified part of back, unstageable L89.101 - Pressure ulcer of unspecified part of back, stage 1 L89.102 - Pressure ulcer of unspecified part of back, stage 2 L89.103 - Pressure ulcer of unspecified part of back, stage 3 L89.104 - Pressure ulcer of unspecified part of back, stage 4 L89.109 - Pressure ulcer of unspecified part of back, unspecified stage