S96.129A Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S96.129 with 7th character A (initial encounter).

Applies from S96 Injury of muscle and tendon at ankle and foot level

Excludes2 (not included here)

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

Code also

• any associated open wound (S91.-)

7th character note

• The appropriate 7th character is to be added to each code from category S96

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to S96.129A

Back-references to S96

• Type 2 Excludes: S86 Injury of muscle, fascia and tendon at lower leg level ("injury of muscle, fascia and tendon at ankle (S96.-)")
• Type 2 Excludes: S93 Dislocation and sprain of joints and ligaments at ankle, foot and toe level ("strain of muscle and tendon of ankle and foot (S96.-)")

Nearby codes

• S96.122 Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot
• S96.122A Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, initial encounter
• S96.122D Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, subsequent encounter
• S96.122S Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, sequela
• S96.129 Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot
• S96.129A Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, initial encounter (this code)
• S96.129D Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter
• S96.129S Laceration of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, sequela
• S96.19 Other specified injury of muscle and tendon of long extensor muscle of toe at ankle and foot level
• S96.191 Other specified injury of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot
• S96.191A Other specified injury of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, initial encounter