L89.140
BillablePressure ulcer of left lower back, unstageable
HCC Category Mapping
V28HCC 381 — Pressure Ulcer of Skin, Unstageable/Unspecified
0.000V24HCC 158 — Pressure Ulcer of Skin with Full Thickness Skin Loss
0.662ESRDHCC 158 — Pressure Ulcer of Skin with Full Thickness Skin Loss
0.000What This Code Means
A pressure sore on the left lower back that cannot be staged because the wound characteristics are unclear or the ulcer has been treated in a way that prevents accurate staging.
Coding Tips
- •Unstageable ulcers require specific documentation explaining why staging is not possible (e.g., eschar coverage, necrotic tissue)
- •Do not assign an unstageable code if stage information can be determined from wound assessment or imaging
Clinical Significance
Unstageable pressure ulcers of the left lower back indicate wounds with obscured wound beds that prevent accurate depth assessment. The lower back is a frequent pressure site in patients with limited mobility. Unstageable designation implies the wound may be more severe than appearances suggest, and serial reassessment following debridement is essential to determine true wound severity.
Documentation Requirements
- ✓Exact anatomical location specified as left lower back
- ✓Clinical reason why staging cannot be performed (eschar, slough, non-removable dressing)
- ✓Description of wound surface and surrounding tissue
- ✓Wound dimensions if measurable
- ✓Debridement plan or rationale for conservative management
- ✓Repositioning and pressure redistribution strategy
- ✓Monitoring and reassessment schedule
Commonly Confused Codes
L89.143 — Stage 3 left lower back; use when full-thickness loss is confirmedL89.144 — Stage 4 left lower back; use when deep structures are exposedL89.130 — Unstageable right lower back; laterality differenceL89.149 — Unspecified stage left lower back; stage not documented vs. clinically unstageable
Code Hierarchy
└L89Pressure ulcer└L89.1Pressure ulcer of back└L89.14Pressure ulcer of left lower back└L89.140Pressure ulcer of left lower back, unstageable
└L89.140Pressure ulcer of left lower back, unstageable