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S91.235Non-billableSave

S91.235 - Puncture wound without foreign body of left lesser toe(s) with damage to nail

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S90-S99 Injuries to the ankle and foot (S90-S99) · Subcategory of S91.23 · FY2027

Coding Guidance

S91.235 requires a 7th character. Report the code below that matches the documentation, for example A for initial encounter, D for subsequent encounter, S for sequela.

7th Character

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

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom S91

Mutually exclusive: these conditions are never reported together with this code.

  • open fracture of ankle, foot and toes (S92.-with 7th character B)
  • traumatic amputation of ankle and foot (S98.-)
Code AlsoFrom S91

Report an additional code when both conditions apply.

  • any associated wound infection
Excludes 2 — Not Included HereFrom S90-S99 Injuries to the ankle and foot (S90-S99)

Not part of this code; report both codes when the patient has both conditions.

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
Excludes 2 — Not Included HereFrom Chapter S00-T88

Not part of this code; report both codes when the patient has both conditions.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88

Instructional notes from the ICD-10-CM tabular list.

  • 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.

More Specific Codes (3)

S91.235APuncture wound without foreign body of left lesser toe(s) with damage to nail, initial encounter→S91.235DPuncture wound without foreign body of left lesser toe(s) with damage to nail, subsequent encounter→S91.235SPuncture wound without foreign body of left lesser toe(s) with damage to nail, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S91.235.