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S96.121Non-billableSave

S96.121 - Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot

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 S96.12 · FY2027

Coding Guidance

S96.121 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 S96

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom S96

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

  • injury of Achilles tendon (S86.0-)
  • sprain of joints and ligaments of ankle and foot (S93.-)
Code AlsoFrom S96

Report an additional code when both conditions apply.

  • any associated open wound (S91.-)
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)

S96.121ALaceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, initial encounter→S96.121DLaceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, subsequent encounter→S96.121SLaceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S96.121.