Insect bite (nonvenomous) of unsp part of head, sequela

This code signifies a lasting effect or complication resulting from a nonvenomous insect bite on an unspecified area of the head. This could include chronic scarring, persistent discoloration, or nerve damage that occurred after the initial bite and is still present. The initial acute phase of the bite has resolved, and the current encounter addresses these long-term consequences.

Apply this code when a patient presents for treatment or evaluation of a residual condition directly attributable to a nonvenomous insect bite on the head, and the specific location on the head is not documented. Documentation should clearly link the current sequela to a past insect bite and indicate the head as the affected body region. This code is appropriate for follow-up visits addressing these chronic issues.

• Ensure documentation explicitly states the condition is a "sequela" of a past insect bite, not an acute bite.
• If the specific location on the head (e.g., eyelid, ear) is known, a more specific code from the S00.9- category should be used.
• Always sequence this code after the primary diagnosis describing the specific sequela (e.g., scar, dermatitis).