Other secondary chronic gout, unspecified site, with tophus

This code signifies a form of chronic gout that has developed as a consequence of another underlying condition, characterized by the presence of tophi (deposits of uric acid crystals) in an unspecified anatomical location. The "other secondary" classification indicates that the gout is not due to a drug or renal impairment, and the chronic nature implies persistent or recurrent symptoms.

Use this code when documentation clearly states chronic gout secondary to a condition other than drugs or renal impairment, and tophi are present, but the specific anatomical site of the tophi is not documented. This code is appropriate when the physician explicitly diagnoses "other secondary chronic gout with tophi, unspecified site."

• Ensure documentation specifies "other secondary" and not drug-induced or renal impairment-related gout.
• Only use this code when the site of the tophi is truly unspecified; otherwise, a more specific code for the anatomical site should be used.
• Always sequence the underlying secondary condition first, if known and applicable, as this code represents a manifestation.