Chronic gout due to renal impairment, unsp wrist, w/o tophus

This code signifies a chronic inflammatory arthritis caused by the accumulation of uric acid crystals in the joints, specifically linked to impaired kidney function. The condition affects an unspecified wrist joint and is characterized by the absence of tophi, which are visible deposits of uric acid.

Use this code when documentation clearly indicates chronic gout as a consequence of renal impairment, affecting an unspecified wrist, and explicitly states the absence of tophi. This code is appropriate when the physician has not specified which wrist is affected (left or right).

• Ensure documentation specifies "chronic" gout and a direct causal link to "renal impairment."
• Verify the absence of tophi; if tophi are present, a different code from the M1A category would be appropriate.
• Avoid using this code if the specific wrist (left or right) is documented; instead, choose a more specific code from the M1A.33 category.