T55.1X4A - Toxic effect of detergents, undetermined, initial encounter

Version 2023
ICD-10:T55.1X4A
Short Description:Toxic effect of detergents, undetermined, initial encounter
Long Description:Toxic effect of detergents, undetermined, initial encounter
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)

T55.1X4A is a billable ICD-10 code used to specify a medical diagnosis of toxic effect of detergents, undetermined, initial encounter. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.

T55.1X4A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like toxic effect of detergents undetermined. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

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:

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
T55.1X4A989.6 - Toxic eff soap/detergent
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T55.1X4AE980.6 - Undet pois-corros/caust
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

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