MCMedicalCodingSoftware
T55.1X1S

T55.1X1S: Toxic effect of detergents, accidental (unintentional), sequela

Billable / specific codeICD-10-CMPOA exempt

T55.1X1S is a billable, specific ICD-10-CM code for toxic effect of detergents, accidental (unintentional), sequela. It is valid for submission on a claim.

Check T55.1X1S with the rest of the claim: free scrubber

7th character "S": sequela

The appropriate 7th character is to be added to each code from category T55

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Toxic effect of detergents NOS

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T55.1X1S is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56612Billing and Coding: CT of the Head
  • A57326Billing and Coding: Electrocardiograms

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T55.1X1

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.