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ICD-10-CM Current in FY 2027

T54.3X4D

Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounter

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

Hierarchy

Where T54.3X4D sits in the official hierarchy. Each level is the code it is classified under.

  1. T54 Toxic effect of corrosive substances
  2. T54.3 Toxic effects of corrosive alkalis and alkali-like substances
  3. T54.3X Toxic effects of corrosive alkalis and alkali-like substances
  4. T54.3X4 Parent Toxic effect of corrosive alkalis and alkali-like substances, undetermined
  5. T54.3X4D This code Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent 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 T54

Inherited from T54 — Toxic effect of corrosive substances

7th Character

A - initial encounter

Inherited from T54 — Toxic effect of corrosive substances

7th Character

D - subsequent encounter

Inherited from T54 — Toxic effect of corrosive substances

7th Character

S - sequela

Inherited from T54 — Toxic effect of corrosive substances

Version History

How T54.3X4D appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounter

  2. FY 2026 Effective

    Unchanged

    Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounter

Related Codes

Other codes under T54.3X4

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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