Posterior subluxation of unsp ulnohumeral joint, subs encntr

This code indicates a partial dislocation of the elbow joint where the ulna has shifted backward relative to the humerus. The specific side (left or right) of the injury is not documented or known. This code is used for follow-up care after the initial treatment of the subluxation.

Apply this code for subsequent encounters when a patient presents for ongoing management, physical therapy, or follow-up appointments related to a previously diagnosed posterior subluxation of an unspecified ulnohumeral joint. This includes situations where the patient is recovering, receiving rehabilitation, or being monitored for healing.

• Ensure documentation clearly states "subsequent encounter" for the subluxation, not an initial injury.
• Verify that the laterality (left or right) of the elbow joint was not specified in the medical record.
• Pair with an external cause code if the subluxation was due to an external event and documentation supports it.