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ICD-10-CM Current in FY 2027

T53.91XA

Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter

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

Hierarchy

Where T53.91XA sits in the official hierarchy. Each level is the code it is classified under.

  1. T53 Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons
  2. T53.9 Toxic effects of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons
  3. T53.91 Parent Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional)
  4. T53.91XA This code Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter

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 T53

Inherited from T53 — Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons

7th Character

A - initial encounter

Inherited from T53 — Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons

7th Character

D - subsequent encounter

Inherited from T53 — Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons

7th Character

S - sequela

Inherited from T53 — Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons

Version History

How T53.91XA appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter

  2. FY 2026 Effective

    Unchanged

    Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter

Related Codes

Other codes under T53.91

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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