2026 ICD-10-CM Diagnosis Code T52Toxic effect of organic solvents
T52 is a non-billable ICD-10-CM category code for toxic effect of organic solvents, so it cannot be submitted on claims. Use a more specific code from this category instead, such as T52.0X1A, T52.0X1D, T52.0X1S, and T52.0X2A.
Code Identity
Code Classification
Specific Coding for Toxic effect of organic solventsOverview
Non-specific codes like T52 require more characters. Use one of these billable codes instead:
T52.0 for Toxic effects of petroleum products
T52.0X for Toxic effects of petroleum products
T52.1 for Toxic effects of benzene
T52.1X for Toxic effects of benzene
T52.2 for Toxic effects of homologues of benzene
T52.2X for Toxic effects of homologues of benzene
T52.3 for Toxic effects of glycols
T52.3X for Toxic effects of glycols
T52.4 for Toxic effects of ketones
T52.4X for Toxic effects of ketones
T52.8 for Toxic effects of other organic solvents
T52.8X for Toxic effects of other organic solvents
T52.9 for Toxic effects of unspecified organic solvent
T52.91 for Toxic effect of unspecified organic solvent, accidental (unintentional)
T52.92 for Toxic effect of unspecified organic solvent, intentional self-harm
T52.93 for Toxic effect of unspecified organic solvent, assault
T52.94 for Toxic effect of unspecified organic solvent, undetermined
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Toxic effect of organic solvents (T52). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 1 Excludes
- halogen derivatives of aliphatic and aromatic hydrocarbons T53
7th Character Note
- The appropriate 7th character is to be added to each code from category T52
7th Character
- A - initial encounter
- D - subsequent encounter
- S - sequela
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
Indicates that a seventh character is to be assigned to codes in a subcategory.
Code HistoryHistory
Questions About T52Overview
Is T52 (Toxic effect of organic solvents) a billable code?
No. This is a category header that groups the codes for toxic effect of organic solvents, and headers cannot be submitted on claims. Claims for toxic effect of organic solvents need a more specific code from this category, such as T52.0X1A, T52.0X1D, and T52.0X1S.
