All ICD10 Codes

S89

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Other and unspecified injuries 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)
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

Excludes2(Not included here)
  • other and unspecified injuries of ankle and foot (S99.-)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S80-S89Injuries to the knee and lower leg (S80-S89)
S89Other and unspecified injuries of lower leg
S89.0Physeal fracture of upper end of tibia
S89.1Physeal fracture of lower end of tibia
S89.2Physeal fracture of upper end of fibula
S89.3Physeal fracture of lower end of fibula
S89.8Other specified injuries of lower leg
S89.9Unspecified injury of lower leg

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S89:

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 S89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Fracture, traumatic (abduction) (adduction) (separation)20 unique routes
fibula (shaft) (styloid)(8 variants)
lower end(4 variants)
physeal→S89(4 variants)
Salter-Harris(2 variants)
Type I→S89
Type II→S89
specified NEC→S89
upper end(4 variants)
physeal→S89(4 variants)
Salter-Harris(2 variants)
Type I→S89
Type II→S89
specified NEC→S89
tibia (shaft)(12 variants)
lower end(6 variants)
physeal→S89(6 variants)
Salter-Harris(4 variants)
Type I→S89
Type II→S89
Type III→S89
Type IV→S89
specified NEC→S89
upper end(6 variants)
physeal→S89(6 variants)
Salter-Harris(4 variants)
Type I→S89
Type II→S89
Type III→S89
Type IV→S89
specified NEC→S89
Injury4 unique routes
knee→S89(2 variants)
specified NEC→S89
leg (lower)→S89(2 variants)
specified NEC→S89
Knot (s)1 unique routes
surfer→S89

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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