ICD-10-CM 2027 diagnosis code

T64.83Toxic effect of other mycotoxin food contaminants, assault

Not billable — use a more specific codeRequires 7th character

T64.83 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About T64.83

T64.83 is the ICD-10-CM diagnosis code for toxic effect of other mycotoxin food contaminants, assault. It belongs to category T64 (toxic effect of aflatoxin and other mycotoxin food contaminants), block T51-T65 (toxic effects of substances chiefly nonmedicinal as to source) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within T64.8 (toxic effect of other mycotoxin food contaminants), T64.83 is specifically for toxic effect of other mycotoxin food contaminants, assault. Related codes cover accidental (unintentional) (T64.81), intentional self-harm (T64.82) and undetermined (T64.84).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

7th character

The appropriate 7th character is to be added to each code from category T64

Ainitial encounterT64.83XA
Dsubsequent encounterT64.83XD
SsequelaT64.83XS

Notes that apply from higher levels

Instructions written at a parent level also apply to T64.83.

Broader instructions also apply from T51-T65 Toxic effects of substances chiefly nonmedicinal as to source and Chapter 19: Injury, poisoning and certain other consequences of external causes.

Table of Drugs & Neoplasms entries

Ergot NEC — Poisoning Assault
Mycotoxins — Poisoning Assault
Mycotoxins › specified NEC — Poisoning Assault

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about T64.83

Is T64.83 billable?: No. T64.83 is a header code. Report one of its more specific subcodes instead.