S53.021A Posterior subluxation of right radial head, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S53.021 with 7th character A (initial encounter).

Applies from S53 Dislocation and sprain of joints and ligaments of elbow

Includes

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

Excludes2 (not included here)

• strain of muscle, fascia and tendon at forearm level (S56.-)

Code also

• any associated open wound

7th character note

• The appropriate 7th character is to be added to each code from category S53

7th character required

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

Applies from S53.0 Subluxation and dislocation of radial head

Applicable to

• Dislocation of radiohumeral joint
• Subluxation of radiohumeral joint

Excludes1 (never code together)

• Monteggia's fracture-dislocation (S52.27-)

Applies from S53.02 Posterior subluxation and dislocation of radial head

Applicable to

• Posteriolateral subluxation and dislocation of radial head

Code annotations containing back-references to S53.021A

Back-references to S53.0

• Type 1 Excludes: S53.1 Subluxation and dislocation of ulnohumeral joint ("dislocation of radial head alone (S53.0-)")

Nearby codes

• S53.016A Anterior dislocation of unspecified radial head, initial encounter
• S53.016D Anterior dislocation of unspecified radial head, subsequent encounter
• S53.016S Anterior dislocation of unspecified radial head, sequela
• S53.02 Posterior subluxation and dislocation of radial head
• S53.021 Posterior subluxation of right radial head
• S53.021A Posterior subluxation of right radial head, initial encounter (this code)
• S53.021D Posterior subluxation of right radial head, subsequent encounter
• S53.021S Posterior subluxation of right radial head, sequela
• S53.022 Posterior subluxation of left radial head
• S53.022A Posterior subluxation of left radial head, initial encounter
• S53.022D Posterior subluxation of left radial head, subsequent encounter