S64.491A Injury of digital nerve of left index finger, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S64.491 with 7th character A (initial encounter).

Applies from S64 Injury of nerves at wrist and hand level

Code also

• any associated open wound (S61.-)

7th character note

• The appropriate 7th character is to be added to each code from category S64

7th character required

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

Code annotations containing back-references to S64.491A

Back-references to S64

• Type 2 Excludes: S54 Injury of nerves at forearm level ("injury of nerves at wrist and hand level (S64.-)")

Nearby codes

• S64.490 Injury of digital nerve of right index finger
• S64.490A Injury of digital nerve of right index finger, initial encounter
• S64.490D Injury of digital nerve of right index finger, subsequent encounter
• S64.490S Injury of digital nerve of right index finger, sequela
• S64.491 Injury of digital nerve of left index finger
• S64.491A Injury of digital nerve of left index finger, initial encounter (this code)
• S64.491D Injury of digital nerve of left index finger, subsequent encounter
• S64.491S Injury of digital nerve of left index finger, sequela
• S64.492 Injury of digital nerve of right middle finger
• S64.492A Injury of digital nerve of right middle finger, initial encounter
• S64.492D Injury of digital nerve of right middle finger, subsequent encounter