Oth bursitis, not elsewhere classified, unsp ankle and foot

This code signifies an inflammatory condition affecting a bursa (a fluid-filled sac that cushions joints) in an unspecified ankle or foot, which is not classified under more specific bursitis codes. It indicates inflammation and pain in the bursal sac, without specifying the exact anatomical location within the ankle or foot, or the underlying cause.

Use this code when documentation clearly indicates bursitis of the ankle or foot, but the specific bursa (e.g., retrocalcaneal, prepatellar) is not identified, and the cause is not specified or is not classifiable to a more precise code. This code is appropriate when the provider's assessment points to bursitis in this general region, and further specificity is unavailable or not documented.

• Only use this code when the laterality (right/left) of the ankle/foot bursitis is not documented.
• Avoid using this code if a more specific bursitis code (e.g., M70.- for specific sites, M71.3- for other specified bursitis) can be assigned based on documentation.
• Ensure documentation supports bursitis as the primary diagnosis, and not just general ankle/foot pain (R10.11-R10.12).