S81 Open wound of knee and lower leg

Category / Non-billable header 50 subcodes

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

Excludes 1 (cannot be coded together)

  • open fracture of knee and lower leg (S82.-)
  • traumatic amputation of lower leg (S88.-)

Excludes 2 (not included here)

  • open wound of ankle and foot (S91.-)

Code Also

  • any associated wound infection

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
S81..0 Open wound of knee No
S81..00 Unspecified open wound of knee No
S81..001 Unspecified open wound, right knee No
S81..002 Unspecified open wound, left knee No
S81..009 Unspecified open wound, unspecified knee No
S81..01 Laceration without foreign body of knee No
S81..011 Laceration without foreign body, right knee No
S81..012 Laceration without foreign body, left knee No
S81..019 Laceration without foreign body, unspecified knee No
S81..02 Laceration with foreign body of knee No
S81..021 Laceration with foreign body, right knee No
S81..022 Laceration with foreign body, left knee No
S81..029 Laceration with foreign body, unspecified knee No
S81..03 Puncture wound without foreign body of knee No
S81..031 Puncture wound without foreign body, right knee No
S81..032 Puncture wound without foreign body, left knee No
S81..039 Puncture wound without foreign body, unspecified knee No
S81..04 Puncture wound with foreign body of knee No
S81..041 Puncture wound with foreign body, right knee No
S81..042 Puncture wound with foreign body, left knee No
S81..049 Puncture wound with foreign body, unspecified knee No
S81..05 Open bite of knee No
S81..051 Open bite, right knee No
S81..052 Open bite, left knee No
S81..059 Open bite, unspecified knee No
S81..8 Open wound of lower leg No
S81..80 Unspecified open wound of lower leg No
S81..801 Unspecified open wound, right lower leg No
S81..802 Unspecified open wound, left lower leg No
S81..809 Unspecified open wound, unspecified lower leg No
S81..81 Laceration without foreign body of lower leg No
S81..811 Laceration without foreign body, right lower leg No
S81..812 Laceration without foreign body, left lower leg No
S81..819 Laceration without foreign body, unspecified lower leg No
S81..82 Laceration with foreign body of lower leg No
S81..821 Laceration with foreign body, right lower leg No
S81..822 Laceration with foreign body, left lower leg No
S81..829 Laceration with foreign body, unspecified lower leg No
S81..83 Puncture wound without foreign body of lower leg No
S81..831 Puncture wound without foreign body, right lower leg No
S81..832 Puncture wound without foreign body, left lower leg No
S81..839 Puncture wound without foreign body, unspecified lower leg No
S81..84 Puncture wound with foreign body of lower leg No
S81..841 Puncture wound with foreign body, right lower leg No
S81..842 Puncture wound with foreign body, left lower leg No
S81..849 Puncture wound with foreign body, unspecified lower leg No
S81..85 Open bite of lower leg No
S81..851 Open bite, right lower leg No
S81..852 Open bite, left lower leg No
S81..859 Open bite, unspecified lower leg No

Last reviewed: September 2026