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ICD-10-CM Current in FY 2027

T57.3

Toxic effect of hydrogen cyanide

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where T57.3 sits in the official hierarchy. Each level is the code it is classified under.

  1. T57 Parent Toxic effect of other inorganic substances
  2. T57.3 This code Toxic effect of hydrogen cyanide

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.

7th Character

The appropriate 7th character is to be added to each code from category T57

Inherited from T57 — Toxic effect of other inorganic substances

7th Character

A - initial encounter

Inherited from T57 — Toxic effect of other inorganic substances

7th Character

D - subsequent encounter

Inherited from T57 — Toxic effect of other inorganic substances

7th Character

S - sequela

Inherited from T57 — Toxic effect of other inorganic substances

More Specific Codes

1 code under T57.3

Version History

How T57.3 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Toxic effect of hydrogen cyanide

  2. FY 2026 Effective

    Unchanged

    Toxic effect of hydrogen cyanide

Related Codes

Other codes under T57

Codes whose official notes reference T57.3

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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