`S81.852S` Open bite, left lower leg, sequela

Billable ICD-10-CM code, FY2026.

Built from S81.852 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

Applies from S81.85 Open bite of lower leg

Applicable to

Bite of lower leg NOS

Excludes1 (never code together)

superficial bite of lower leg (S80.86-, S80.87-)

Code annotations containing back-references to S81.852S

Back-references to S81.85

Type 1 Excludes: S80.87 Other superficial bite of lower leg ("open bite of lower leg (S81.85-)")

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.-)")

Nearby codes

S81.851D Open bite, right lower leg, subsequent encounter
S81.851S Open bite, right lower leg, sequela
S81.852 Open bite, left lower leg
S81.852A Open bite, left lower leg, initial encounter
S81.852D Open bite, left lower leg, subsequent encounter
S81.852S Open bite, left lower leg, sequela (this code)
S81.859 Open bite, unspecified lower leg
S81.859A Open bite, unspecified lower leg, initial encounter
S81.859D Open bite, unspecified lower leg, subsequent encounter
S81.859S Open bite, unspecified lower leg, sequela