Toxic effect of contact w oth jellyfish, undet, sequela

This code signifies a long-term or late-appearing health problem resulting from a past toxic exposure to a jellyfish species not specifically classified elsewhere. The initial jellyfish encounter caused a harmful reaction, and the patient is now presenting with a residual condition directly attributable to that past event. The specific type of jellyfish involved in the original exposure remains unknown.

Apply this code when documenting a chronic or permanent sequela (e.g., persistent scarring, chronic pain, neurological deficits, or dermatological changes) that is definitively linked to a previous, unspecified jellyfish sting. This code is appropriate when the acute phase of the toxic effect has resolved, and the patient is being treated for the lasting consequences.

• Always sequence this code after the code for the specific sequela being treated.
• Ensure documentation clearly links the current condition to a past, unspecified jellyfish exposure.
• Do not use for acute toxic effects; refer to the appropriate acute T63.62- codes for initial encounters.