`S81.821S` Laceration with foreign body, right lower leg, sequela

Billable ICD-10-CM code, FY2026.

Built from S81.821 with 7th character S (sequela).

Applies from S81 Open wound of knee and lower leg

Excludes1 (never code together)

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

Excludes2 (not included here)

open wound of ankle and foot (S91.-)

Code also

any associated wound infection

7th character note

The appropriate 7th character is to be added to each code from category S81

7th character required

A — initial encounter
D — subsequent encounter
S — sequela

Code annotations containing back-references to S81.821S

Back-references to S81

Type 2 Excludes: M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")
Type 2 Excludes: S71 Open wound of hip and thigh ("open wound of knee and lower leg (S81.-)")
Code Also: S84 Injury of nerves at lower leg level ("any associated open wound (S81.-)")
Code Also: S85 Injury of blood vessels at lower leg level ("any associated open wound (S81.-)")
Code Also: S86 Injury of muscle, fascia and tendon at lower leg level ("any associated open wound (S81.-)")

Diagnosis Index entries for S81.821S

Laceration › leg (lower) › right › with foreign body

Nearby codes

S81.819S Laceration without foreign body, unspecified lower leg, sequela
S81.82 Laceration with foreign body of lower leg
S81.821 Laceration with foreign body, right lower leg
S81.821A Laceration with foreign body, right lower leg, initial encounter
S81.821D Laceration with foreign body, right lower leg, subsequent encounter
S81.821S Laceration with foreign body, right lower leg, sequela (this code)
S81.822 Laceration with foreign body, left lower leg
S81.822A Laceration with foreign body, left lower leg, initial encounter
S81.822D Laceration with foreign body, left lower leg, subsequent encounter
S81.822S Laceration with foreign body, left lower leg, sequela
S81.829 Laceration with foreign body, unspecified lower leg