S63.103A Unspecified subluxation of unspecified thumb, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S63.103 with 7th character A (initial encounter).

Applies from S63 Dislocation and sprain of joints and ligaments at wrist and hand level

Includes

• avulsion of joint or ligament at wrist and hand level
• laceration of cartilage, joint or ligament at wrist and hand level
• sprain of cartilage, joint or ligament at wrist and hand level
• traumatic hemarthrosis of joint or ligament at wrist and hand level
• traumatic rupture of joint or ligament at wrist and hand level
• traumatic subluxation of joint or ligament at wrist and hand level
• traumatic tear of joint or ligament at wrist and hand level

Excludes2 (not included here)

• strain of muscle, fascia and tendon of wrist and hand (S66.-)

Code also

• any associated open wound

7th character note

• The appropriate 7th character is to be added to each code from category S63

7th character required

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

Code annotations containing back-references to S63.103A

Back-references to S63.1

• Type 2 Excludes: S63.04 Subluxation and dislocation of carpometacarpal joint of thumb ("interphalangeal subluxation and dislocation of thumb (S63.1-)")
• Type 2 Excludes: S63.2 Subluxation and dislocation of other finger(s) ("subluxation and dislocation of thumb (S63.1-)")

Back-references to S63

• Type 2 Excludes: S66 Injury of muscle, fascia and tendon at wrist and hand level ("sprain of joints and ligaments of wrist and hand (S63.-)")

Diagnosis Index entries for S63.103A

• Subluxation › thumb

Nearby codes

• S63.102 Unspecified subluxation of left thumb
• S63.102A Unspecified subluxation of left thumb, initial encounter
• S63.102D Unspecified subluxation of left thumb, subsequent encounter
• S63.102S Unspecified subluxation of left thumb, sequela
• S63.103 Unspecified subluxation of unspecified thumb
• S63.103A Unspecified subluxation of unspecified thumb, initial encounter (this code)
• S63.103D Unspecified subluxation of unspecified thumb, subsequent encounter
• S63.103S Unspecified subluxation of unspecified thumb, sequela
• S63.104 Unspecified dislocation of right thumb
• S63.104A Unspecified dislocation of right thumb, initial encounter
• S63.104D Unspecified dislocation of right thumb, subsequent encounter