Burn of unspecified degree of left ankle, sequela

This code signifies a burn injury of an unknown or unspecified depth affecting the left ankle, where the acute phase of the injury has passed, and the code is used to report a residual condition or complication resulting from the original burn. This could include scarring, contractures, chronic pain, or other long-term effects. The "unspecified degree" indicates that the depth of the original burn (e.g., first, second, or third degree) was not documented or is no longer discernible.

Apply this code when documenting a patient presenting with a long-term complication or sequela directly attributable to a past burn injury on their left ankle, and the specific degree of that original burn was not recorded or is unknown. This is appropriate for follow-up visits addressing chronic issues stemming from the burn, rather than the initial acute treatment.

• Always use this code as a secondary diagnosis, following the code for the specific sequela being treated (e.g., L90.5 for scar conditions).
• Ensure documentation clearly links the current condition to a past burn of the left ankle and specifies that the acute phase has resolved.
• Avoid using this code for acute burn treatment; instead, use the appropriate acute burn code with the correct seventh character for initial encounter, subsequent encounter, or sequela.