Oth secondary chronic gout, right ankle and foot, w tophus

This code signifies a chronic form of gout that has developed as a consequence of another underlying condition, affecting the right ankle and/or foot. A key feature is the presence of tophi, which are deposits of uric acid crystals that form visible lumps under the skin or in joints. This indicates a long-standing and often severe manifestation of the disease.

Apply this code when documentation confirms chronic gout in the right ankle and/or foot, explicitly stating it is secondary to another condition, and noting the presence of tophi. This is appropriate for patients presenting with chronic pain, swelling, and palpable tophaceous deposits in the specified anatomical location, where the gout is not primary.

• Ensure documentation clearly distinguishes between primary and secondary gout.
• Verify the specific joint involved (right ankle and/or foot) and the presence of tophi.
• Code the underlying condition causing the secondary gout first, followed by this code.