S43.149A Inferior dislocation of unspecified acromioclavicular joint, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S43.149 with 7th character A (initial encounter).

Applies from S43 Dislocation and sprain of joints and ligaments of shoulder girdle

Includes

• avulsion of joint or ligament of shoulder girdle
• laceration of cartilage, joint or ligament of shoulder girdle
• sprain of cartilage, joint or ligament of shoulder girdle
• traumatic hemarthrosis of joint or ligament of shoulder girdle
• traumatic rupture of joint or ligament of shoulder girdle
• traumatic subluxation of joint or ligament of shoulder girdle
• traumatic tear of joint or ligament of shoulder girdle

Excludes2 (not included here)

• strain of muscle, fascia and tendon of shoulder and upper arm (S46.-)

Code also

• any associated open wound

7th character note

• The appropriate 7th character is to be added to each code from category S43

7th character required

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

Nearby codes

• S43.142 Inferior dislocation of left acromioclavicular joint
• S43.142A Inferior dislocation of left acromioclavicular joint, initial encounter
• S43.142D Inferior dislocation of left acromioclavicular joint, subsequent encounter
• S43.142S Inferior dislocation of left acromioclavicular joint, sequela
• S43.149 Inferior dislocation of unspecified acromioclavicular joint
• S43.149A Inferior dislocation of unspecified acromioclavicular joint, initial encounter (this code)
• S43.149D Inferior dislocation of unspecified acromioclavicular joint, subsequent encounter
• S43.149S Inferior dislocation of unspecified acromioclavicular joint, sequela
• S43.15 Posterior dislocation of acromioclavicular joint
• S43.151 Posterior dislocation of right acromioclavicular joint
• S43.151A Posterior dislocation of right acromioclavicular joint, initial encounter