Toxic effect of venom of spider, accidental, sequela

This code signifies the long-term or residual health problems that arise from an accidental envenomation by a spider species other than a black widow or brown recluse. These sequelae are the lasting effects of the initial toxic exposure, occurring after the acute phase of the spider bite has resolved.

Apply this code when documenting chronic conditions, permanent disabilities, or persistent symptoms directly attributable to an unintentional bite from an unspecified or "other" type of spider. This is appropriate for follow-up encounters addressing complications that manifest months or years after the initial incident.

• Always assign this code as a secondary diagnosis, following the code for the specific sequela being treated.
• Ensure documentation clearly links the current condition to a past spider envenomation.
• Do not use for acute spider bites; reserve for the lasting effects.