S66.202S Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela

Billable ICD-10-CM code, FY2026.

Built from S66.202 with 7th character S (sequela).

Applies from S66 Injury of muscle, fascia and tendon at wrist and hand level

Excludes2 (not included here)

• sprain of joints and ligaments of wrist and hand (S63.-)

Code also

• any associated open wound (S61.-)

7th character note

• The appropriate 7th character is to be added to each code from category S66

7th character required

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

Code annotations containing back-references to S66.202S

Back-references to S66.2

• Type 2 Excludes: S66.3 Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level ("Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2-)")

Back-references to S66

• Type 2 Excludes: S56 Injury of muscle, fascia and tendon at forearm level ("injury of muscle, fascia and tendon at or below wrist (S66.-)")
• Type 2 Excludes: S63 Dislocation and sprain of joints and ligaments at wrist and hand level ("strain of muscle, fascia and tendon of wrist and hand (S66.-)")

Nearby codes

• S66.201D Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
• S66.201S Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
• S66.202 Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level
• S66.202A Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
• S66.202D Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
• S66.202S Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela (this code)
• S66.209 Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level
• S66.209A Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
• S66.209D Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
• S66.209S Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
• S66.21 Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level