S91.10
Unspecified open wound of toe without damage to nail
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
S91code
Code also
- any associated wound infection
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 5 same parent — S91.1
S91.11 Laceration w/o foreign body of toe without damage to nail category S91.12 Laceration with foreign body of toe without damage to nail category S91.13 Puncture wound w/o foreign body of toe w/o damage to nail category S91.14 Puncture wound with foreign body of toe w/o damage to nail category S91.15 Open bite of toe without damage to nail category
Subordinate codes 7
S91.101 Unsp open wound of right great toe without damage to nail S91.102 Unsp open wound of left great toe without damage to nail S91.103 Unsp open wound of unsp great toe without damage to nail S91.104 Unsp open wound of right lesser toe(s) w/o damage to nail S91.105 Unsp open wound of left lesser toe(s) without damage to nail S91.106 Unsp open wound of unsp lesser toe(s) without damage to nail S91.109 Unsp open wound of unspecified toe(s) without damage to nail
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.