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

Version 2023
ICD-10:T55.1X1S
Short Description:Toxic effect of detergents, accidental, sequela
Long Description:Toxic effect of detergents, accidental (unintentional), sequela
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
      • Toxic effect of soaps and detergents (T55)

T55.1X1S is a billable ICD-10 code used to specify a medical diagnosis of toxic effect of detergents, accidental (unintentional), sequela. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

T55.1X1S is a sequela code, includes a 7th character and should be used for complications that arise as a direct result of a condition like toxic effect of detergents accidental (unintentional). According to ICD-10-CM Guidelines a "sequela" code should be used for chronic or residual conditions that are complications of an initial acute disease, illness or injury. The most common sequela is pain. Usually, two diagnosis codes are needed when reporting sequela. The first code describes the nature of the sequela while the second code describes the sequela or late effect.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Coding Guidelines

The appropriate 7th character is to be added to each code from block Toxic effect of soaps and detergents (T55). Use the following options for the aplicable episode of care:

Present on Admission (POA)

T55.1X1S is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here.

CMS POA Indicator Options and Definitions

POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
T55.1X1S909.1 - Late eff nonmed substanc
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Household Products

The products you use for cleaning, carpentry, auto repair, gardening, and many other household uses can contain ingredients that can harm you, your family, and the environment. These include :

Toxic substances in these products can cause harm if inhaled, swallowed, or absorbed through the skin. People respond to toxic substances in different ways. At high doses, a toxic substance might cause birth defects or other serious problems, including brain damage or death.

To avoid problems, keep products in the containers they come in and use them exactly as the label says. Follow label directions or get medical help if you swallow or inhale them or get them on your skin.

Environmental Protection Agency


[Learn More in MedlinePlus]

Code History