T87.50

Billable

Necrosis of amputation stump, unspecified extremity

HCC Category Mapping

V28HCC 409 — Amputation Status, Lower Limb/Amputation Complications

0.350

V24HCC 189 — Amputation Status, Lower Limb/Amputation Complications

0.350

ESRDHCC 189 — Amputation Status, Lower Limb/Amputation Complications

0.000

What This Code Means

Death of tissue (necrosis) at an amputation site when the specific limb location is not documented or specified.

Coding Tips

•Use this code only when extremity location is unspecified; prefer codes T87.51-T87.54 when location is known
•Document the extent of necrosis and whether revision amputation is needed

Clinical Significance

Necrosis of amputation stump indicates tissue death that requires immediate surgical intervention and may necessitate revision amputation. This represents a severe complication that significantly impacts healing, prosthetic fitting, and functional outcomes.

Documentation Requirements

✓Documentation of tissue necrosis at amputation stump site
✓Assessment of necrotic tissue extent and depth
✓Clinical signs of tissue death (discoloration, lack of bleeding)
✓Vascular assessment and perfusion status
✓Risk factors contributing to tissue necrosis
✓Surgical intervention plans or debridement procedures
✓Impact on wound healing and rehabilitation timeline
✓Associated complications such as infection or pain

Commonly Confused Codes

T87.51-T87.54 — Site-specific necrosis codes when extremity is documented T87.40-T87.44 — Infection of amputation stump vs necrotic tissue I96 — Gangrene, not elsewhere classified (systemic vs localized)T81.31 — Disruption of external operation wound, not elsewhere classified T87.89 — Other amputation complications vs specific necrosis

Code Hierarchy

└T87Complications peculiar to reattachment and amputation └T87.5Necrosis of amputation stump └T87.50Necrosis of amputation stump, unspecified extremity

└T87.50Necrosis of amputation stump, unspecified extremity