T62.91 — Toxic effect of unspecified noxious substance eaten as food, accidental (unintentional)
Is T62.91 billable?
No — T62.91 is a non-billable header code. T62.91 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath T62.91.
Billable codes under this header
- T62.91XAToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), initial encounter
- T62.91XDToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), subsequent encounter
- T62.91XSToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), sequela
T62.91 at a glance
| Code | T62.91 |
|---|---|
| Description | Toxic effect of unspecified noxious substance eaten as food, accidental (unintentional) |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T62.91 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T62.9, the nearest indexed parent of T62.91. Use them to find the family, then select the specific code.
- Poisoning › food NEC › noxious or naturally toxic (acute)
Inclusion terms
Alternative wording in documentation that is classified to T62.91.
- Toxic effect of unspecified noxious substance eaten as food NOS
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T62.91 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Excludes1 — never code together — inherited from T62
The conditions below can never be reported together with T62.91 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- allergic reaction to food, such as:
- anaphylactic shock (reaction) due to adverse food reaction (T78.0-)
- bacterial food borne intoxications (A05.-)
- dermatitis (L23.6, L25.4, L27.2)
- food protein-induced enterocolitis syndrome (K52.21)
- food protein-induced enteropathy (K52.22)
- gastroenteritis (noninfective) (K52.29)
- toxic effect of aflatoxin and other mycotoxins (T64)
- toxic effect of cyanides (T65.0-)
- toxic effect of hydrogen cyanide (T57.3-)
- toxic effect of mercury (T56.1-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T62.91 to fully describe the condition. T62.91 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T51-T65
Report an additional code alongside T62.91 to fully describe the condition. T62.91 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T62.91, but a patient may have both at the same time. When documentation supports it, T62.91 and the excluded code may both be reported.
What codes fall under T62.91? (3)
- T62.91XAToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), initial encounter
- T62.91XDToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), subsequent encounter
- T62.91XSToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), sequela
How long has T62.91 existed?
T62.91 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.