S43.023A Posterior subluxation of unspecified humerus, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S43.023 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

Applies from S43.0 Subluxation and dislocation of shoulder joint

Applicable to

• Dislocation of glenohumeral joint
• Subluxation of glenohumeral joint

Nearby codes

• S43.022 Posterior subluxation of left humerus
• S43.022A Posterior subluxation of left humerus, initial encounter
• S43.022D Posterior subluxation of left humerus, subsequent encounter
• S43.022S Posterior subluxation of left humerus, sequela
• S43.023 Posterior subluxation of unspecified humerus
• S43.023A Posterior subluxation of unspecified humerus, initial encounter (this code)
• S43.023D Posterior subluxation of unspecified humerus, subsequent encounter
• S43.023S Posterior subluxation of unspecified humerus, sequela
• S43.024 Posterior dislocation of right humerus
• S43.024A Posterior dislocation of right humerus, initial encounter
• S43.024D Posterior dislocation of right humerus, subsequent encounter