T63.591

Hierarchy

Where T63.591 sits in the official hierarchy. Each level is the code it is classified under.

1. T63 Toxic effect of contact with venomous animals and plants
2. T63.5 Toxic effect of contact with venomous fish
3. T63.59 Parent Toxic effect of contact with other venomous fish
4. T63.591 This code Toxic effect of contact with other venomous fish, accidental (unintentional)

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• T63.591A Toxic effect of contact with other venomous fish, accidental (unintentional), initial encounter Billable
• T63.591D Toxic effect of contact with other venomous fish, accidental (unintentional), subsequent encounter Billable
• T63.591S Toxic effect of contact with other venomous fish, accidental (unintentional), sequela Billable

Version History

How T63.591 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Toxic effect of contact with other venomous fish, accidental (unintentional)

2. FY 2026 Effective October 1, 2025

   Unchanged

   Toxic effect of contact with other venomous fish, accidental (unintentional)