All ICD10 Codes
T54Not billable, use a more specific code below

Toxic effect of corrosive substances

In Toxic effects of substances chiefly nonmedicinal as to source (T51-T65), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

60 billable codes under T54: none are a CC or MCC; 5 map to HCC 155 (Major Depression, Moderate or Severe, without Psychosis).An HCC counts toward a Medicare Advantage patient's risk score.

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Instructional notes

Also applies, from Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

These notes sit on T51-T65 and apply to every code under it, including T54.

Excludes1: not coded here, use a different code

  • contact with and (suspected) exposure to toxic substances (Z77.-)

Use additional code: add a second code for this, listed after this one

  • code(s):
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
  • personal history of foreign body fully removed (Z87.821)
  • to identify any retained foreign body, if applicable (Z18.-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Other Chapter 19 topics:

Read Section I.C.19 (page 77)

All codes under T54

T54 can't be used on a claim. Pick a billable code below; grey headings group them.

T54 MS-DRGs

As the principal diagnosis, the billable codes under T54 group to MS-DRG 917, 918, 922, 923, 949, or 950 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.