DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

T64 Toxic effect of aflatoxin and other mycotoxin food contaminants

  • Header · not billable
  • Codes take a 7th character

T64 is not billable. The category heads 24 billable codes in FY2027, grouped under 2 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
  3. T64 Toxic effect of aflatoxin and other mycotoxin food contaminants
Billable codes
24
Subdivisions
2
CC / MCC codes
0 / 0
HCC V28 codes
2
New FY2027
0
Index entries
0

Codes in T64

  1. T64.0
    Toxic effect of aflatoxin
    Header
  2. T64.01
    Toxic effect of aflatoxin, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  3. T64.02
    Toxic effect of aflatoxin, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  4. T64.03
    Toxic effect of aflatoxin, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. T64.04
    Toxic effect of aflatoxin, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. T64.8
    Toxic effect of other mycotoxin food contaminants
    Header
  7. T64.81
    Toxic effect of other mycotoxin food contaminants, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  8. T64.82
    Toxic effect of other mycotoxin food contaminants, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  9. T64.83
    Toxic effect of other mycotoxin food contaminants, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  10. T64.84
    Toxic effect of other mycotoxin food contaminants, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block T51-T65 instructions (Notes 1, Excludes1 1, Use additional code 4): printed on the block page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for T64 defined here

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

7th characters for T64
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Hierarchy