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ICDMine.com › Browse ICD-10-CM Codes › Ch. 19: Injury, poisoning and certain other consequences of external causes (S00-T88) › Injuries to the ankle and foot (S90-S99) › S91

S91Open wound of ankle, foot and toes

ICD-10-CM category (non-billable header) code — part of Injuries to the ankle and foot (S90-S99)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88)
Section	Injuries to the ankle and foot (S90-S99)

Valid 7th Characters

A	initial encounter
D	subsequent encounter
S	sequela

Coding Notes

Excludes1 (never code both together)

open fracture of ankle, foot and toes (S92.-with 7th character B)
traumatic amputation of ankle and foot (S98.-)

Code Also

any associated wound infection

7th Character Note

The appropriate 7th character is to be added to each code from category S91

Subcategories (4)

S91.0 Open wound of ankle
S91.1 Open wound of toe without damage to nail
S91.2 Open wound of toe with damage to nail
S91.3 Open wound of foot

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