S88

Non-Billable

ChapterS00–T88

Rankcategory

Official Description

Traumatic amputation of lower leg

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here)

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Use Additional Code

code to identify any retained foreign body, if applicable (Z18.-)

S80-S89 Parent Instructions

Excludes2(Not included here)

burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
insect bite or sting, venomous (T63.4)

Instructional Notes

Includes

An amputation not identified as partial or complete should be coded to complete

Excludes1(Not coded here)

traumatic amputation of ankle and foot (S98.-)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)

S80-S89Injuries to the knee and lower leg (S80-S89)

S88Traumatic amputation of lower leg

S88.0Traumatic amputation at knee level

S88.1Traumatic amputation at level between knee and ankle

S88.9Traumatic amputation of lower leg, level unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S88:

blockS80-S89

Injuries to the knee and lower leg (S80-S89)

View context instructions

chapterCH19

Injury, poisoning and certain other consequences of external causes (S00-T88)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to S88. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Amputation6 unique routes

traumatic (complete) (partial)(6 variants)

leg (lower)→S88(6 variants)

at knee level→S88(2 variants)

partial→S88

between knee and ankle→S88(2 variants)

partial→S88

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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