T87.1X9 Complications of reattached (part of) unspecified lower extremity

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 405 — Traumatic Amputations and Complications
• CMS-HCC V22: HCC 173 — Traumatic Amputations and Complications
• ESRD V24: HCC 173

MS-DRG index

Defines the logic of DRG(s) 559-561 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 996.96 Complication of reattached lower extremity, other and unspecified (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to T87.1X9

Back-references to T87

• Type 2 Excludes: T78 Adverse effects, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications occurring during or following medical procedures (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")

Nearby codes

• T87.0X9 Complications of reattached (part of) unspecified upper extremity
• T87.1 Complications of reattached (part of) lower extremity
• T87.1X Complications of reattached (part of) lower extremity
• T87.1X1 Complications of reattached (part of) right lower extremity
• T87.1X2 Complications of reattached (part of) left lower extremity
• T87.1X9 Complications of reattached (part of) unspecified lower extremity (this code)
• T87.2 Complications of other reattached body part
• T87.3 Neuroma of amputation stump
• T87.30 Neuroma of amputation stump, unspecified extremity
• T87.31 Neuroma of amputation stump, right upper extremity
• T87.32 Neuroma of amputation stump, left upper extremity