T59.1X1A is the authoritative medical code for Toxic effect of sulfur dioxide, accidental (unintentional), initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for toxic effect of sulfur dioxide, accidental (unintentional), initial encounter (ICD-10-CM T59.1X1A), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Toxic effect of sulfur dioxide, accidental (unintentional), initial encounter is a billable ICD-10-CM diagnosis code T59.1X1A. Includes: aerosol propellants. Inclusion terms: Toxic effect of sulfur dioxide NOS. Excludes1 (not coded here): chlorofluorocarbons T53.5; contact with and suspected exposure to toxic substances Z77.-. Use additional code: 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.-. 7th character: The appropriate 7th character is to be added to each code from category T59.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T59.1X1A in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Toxic effect of sulfur dioxide NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- chlorofluorocarbons T53.5
- contact with and suspected exposure to toxic substances Z77.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- 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.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Does T59.1X1A require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T59.
What can't be coded together with T59.1X1A?
Per official ICD-10-CM Excludes1 instructions, T59.1X1A must not be reported together with: chlorofluorocarbons (T53.5); contact with and (suspected) exposure to toxic substances (Z77.-).
Is an additional code needed with T59.1X1A?
Use additional code(s) to specify: 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.-).
What conditions are included under T59.1X1A?
Toxic effect of sulfur dioxide, accidental (unintentional), initial encounter includes: Toxic effect of sulfur dioxide NOS.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T59.1X1A in its code family, with their registry titles.
- T59 — Toxic effect of other gases, fumes and vapors
- T59.0 — Toxic effect of nitrogen oxides
- T59.0X — Toxic effect of nitrogen oxides
- T59.0X1 — Toxic effect of nitrogen oxides, accidental (unintentional)
- T59.0X1A — Toxic effect of nitrogen oxides, accidental (unintentional), initial encounter
- T59.0X1D — Toxic effect of nitrogen oxides, accidental (unintentional), subsequent encounter
- T59.0X1S — Toxic effect of nitrogen oxides, accidental (unintentional), sequela
- T59.0X2 — Toxic effect of nitrogen oxides, intentional self-harm
- T59.0X2A — Toxic effect of nitrogen oxides, intentional self-harm, initial encounter
- T59.0X2D — Toxic effect of nitrogen oxides, intentional self-harm, subsequent encounter
View all 40 codes in the T59 family
Associated Substances (1)
Substances from the official ICD-10-CM Table of Drugs and Chemicals that map to this code.