ICDcodes.org
FY2027

S91.25 — Open bite of toe with damage to nail

Not billable

Is S91.25 billable?

No — S91.25 is a non-billable header code. S91.25 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 21 billable codes beneath S91.25.

Billable codes under this header

S91.25 at a glance

CodeS91.25
DescriptionOpen bite of toe with damage to nail
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S91.25 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to S91.25. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Bite › toe › with › damage to nail (s) (animal) (human)
  • Bite › toe › great › with › damage to nail (s) (animal) (human)
  • Bite › toe › lesser › with › damage to nail (s) (animal) (human)

Excludes1 — never code together

The conditions below can never be reported together with S91.25 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Inclusion terms

Alternative wording in documentation that is classified to S91.25.

  • Bite of toe with damage to nail NOS

Excludes1 — never code together — inherited from S91

The conditions below can never be reported together with S91.25 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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

Use additional code — inherited from Chapter 19

Report an additional code alongside S91.25 to fully describe the condition. S91.25 is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S91.25, but a patient may have both at the same time. When documentation supports it, S91.25 and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S90-S99

The conditions below are not part of S91.25, but a patient may have both at the same time. When documentation supports it, S91.25 and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Code also — inherited from S91

Two codes may be needed to describe the condition fully. Whether S91.25 is sequenced first depends on the reason for the encounter.

  • any associated wound infection

What codes fall under S91.25? (7)

How long has S91.25 existed?

S91.25 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the S91.2 family? (5)