All ICD10 Codes

S91.25

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Open bite of toe with damage to nail

Use a more specific code (7 billable)
S91.251Open bite of right great toe with damage to nailS91.252Open bite of left great toe with damage to nailS91.253Open bite of unspecified great toe with damage to nailS91.254Open bite of right lesser toe(s) with damage to nailS91.255Open bite of left lesser toe(s) with damage to nailS91.256Open bite of unspecified lesser toe(s) with damage to nailS91.259Open bite of unspecified toe(s) with damage to nail
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Bite of toe with damage to nail NOS
Excludes1(Not coded here. Use a different code.)
General instructions are available for the parent sections:
View CH19 NotesView S90-S99 NotesView S91 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S90-S99Injuries to the ankle and foot (S90-S99)
S91Open wound of ankle, foot and toes
S91.2Open wound of toe with damage to nail
S91.25Open bite of toe with damage to nailNot billable
S91.251Open bite of right great toe with damage to nailBillable
S91.252Open bite of left great toe with damage to nailBillable
S91.253Open bite of unspecified great toe with damage to nailBillable
S91.254Open bite of right lesser toe(s) with damage to nailBillable
S91.255Open bite of left lesser toe(s) with damage to nailBillable
S91.256Open bite of unspecified lesser toe(s) with damage to nailBillable
S91.259Open bite of unspecified toe(s) with damage to nailBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S91.25:

categoryS91
Open wound of ankle, foot and toes
View context instructions
blockS90-S99
Injuries to the ankle and foot (S90-S99)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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