ICD-10-CM Diagnosis Code (2025)
Official Description for S91
Open wound of ankle, foot and toes
Coding Notes & Guidelines for S91
- open fracture of ankle, foot and toes (S92.-with 7th character B)
- traumatic amputation of ankle and foot (S98.-)
superficial bite of ankle (S90.56-, S90.57-)
superficial bite of toe (S90.46-, S90.47-)
superficial bite of toe (S90.46-, S90.47-)
superficial bite of foot (S90.86-, S90.87-)
Bite of toe NOS
Bite of toe with damage to nail NOS
any associated wound infection
The appropriate 7th character is to be added to each code from category S91
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for S91):
About ICD-10-CM Code S91 (Open wound of ankle)
ICD-10-CM code S91 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM S91 became effective on October 1, 2024.
This page provides detailed information about S91 - Open wound of ankle, foot and toes. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Open wound of ankle related to foot and toes.