S63.312A Traumatic rupture of collateral ligament of left wrist, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S63.312 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 S63.312A

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.-)")

Nearby codes

• S63.311 Traumatic rupture of collateral ligament of right wrist
• S63.311A Traumatic rupture of collateral ligament of right wrist, initial encounter
• S63.311D Traumatic rupture of collateral ligament of right wrist, subsequent encounter
• S63.311S Traumatic rupture of collateral ligament of right wrist, sequela
• S63.312 Traumatic rupture of collateral ligament of left wrist
• S63.312A Traumatic rupture of collateral ligament of left wrist, initial encounter (this code)
• S63.312D Traumatic rupture of collateral ligament of left wrist, subsequent encounter
• S63.312S Traumatic rupture of collateral ligament of left wrist, sequela
• S63.319 Traumatic rupture of collateral ligament of unspecified wrist
• S63.319A Traumatic rupture of collateral ligament of unspecified wrist, initial encounter
• S63.319D Traumatic rupture of collateral ligament of unspecified wrist, subsequent encounter