Toxic effect of venom of arthropod, undetermined, sequela

This code signifies a lasting health problem or complication resulting from exposure to venom from an unspecified arthropod, where the specific type of arthropod is not known. This could include chronic pain, neurological deficits, or organ damage that persists after the acute phase of the envenomation has resolved. The "undetermined" aspect indicates that the exact arthropod responsible for the venomous bite or sting could not be identified.

Apply this code when documenting a long-term consequence or residual effect directly attributable to an arthropod envenomation, and the specific arthropod cannot be definitively identified. This is appropriate for follow-up encounters where the patient is being treated for a chronic condition stemming from the past venom exposure. Do not use for acute envenomations or when the specific arthropod is known.

• Requires a seventh character "S" to indicate sequela, meaning the patient is experiencing a late effect of the original injury.
• Ensure documentation clearly links the current condition to a past, unspecified arthropod envenomation.
• Do not use if a more specific code for a known arthropod venom (e.g., spider, scorpion) is available.