Toxic effect of phenol and phenol homologues, acc, subs

This code signifies a toxic reaction resulting from accidental exposure to phenol or its chemical relatives, such as cresol or resorcinol. The patient is in the healing phase of the injury, receiving follow-up care, or experiencing a complication related to the initial poisoning. This could involve skin burns, respiratory distress, or systemic effects from absorption.

Apply this code when documenting subsequent care for a patient who has inadvertently ingested, inhaled, or had skin contact with phenol or a phenol homologue. This includes visits for wound care of chemical burns, monitoring of organ function after systemic absorption, or managing persistent symptoms during the recovery period. It is appropriate for any encounter after the initial treatment of the acute toxic event.

• Ensure the encounter is for follow-up care or management of sequelae, not the initial acute poisoning.
• Verify that the exposure was unintentional; intentional poisoning would require a different subcategory.
• Always code the specific manifestation of the toxicity (e.g., chemical burn, organ damage) in addition to this external cause code.