Toxic effect of venom of Australian snake, undet, sequela

This code indicates a long-term or residual health problem resulting from exposure to venom from an unspecified Australian snake, where the specific type of snake is not documented. This could include chronic neurological issues, persistent tissue damage, or other lasting systemic effects that developed after the initial acute toxic event.

Apply this code when documenting a patient presenting with a current condition or complication that is a direct consequence of a past envenomation by an Australian snake, and the specific snake species is unknown. This is appropriate for follow-up encounters addressing the chronic sequelae, rather than the acute poisoning.

• Assign this code for conditions that are a late effect of the envenomation, not the acute toxic event itself.
• Always sequence this code after the code for the specific sequela (e.g., chronic neuropathy, kidney damage).
• Ensure documentation clearly links the current condition to a past, unspecified Australian snake bite.