All ICD10 Codes

S81

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Open wound of knee and lower leg

Use a more specific code (0 billable, 2 non-billable)
S81.0Open wound of kneehas subcodesS81.8Open wound of lower leghas subcodes
Metadata & Insights
  • •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. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

S80-S89 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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

Excludes1(Not coded here. Use a different code.)
  • open fracture of knee and lower leg (S82.-)
  • traumatic amputation of lower leg (S88.-)
Excludes2(Not included here. Code separately if applicable.)
  • open wound of ankle and foot (S91.-)
Code Also
  • any associated wound infection

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S80-S89Injuries to the knee and lower leg (S80-S89)
S81Open wound of knee and lower legNot billable
S81.0Open wound of kneeSubcodes
S81.8Open wound of lower legSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S81:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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