T59
⚠ Non-billable
Toxic effect of other gases, fumes and vapors
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T59
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Includes
- aerosol propellants
Excludes1 — never code together
- chlorofluorocarbons (T53.5)
7th character
- The appropriate 7th character is to be added to each code from category T59
Frequently asked questions
What is ICD-10 code T59?
ICD-10-CM code T59 represents Toxic effect of other gases, fumes and vapors. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T59 billable?
No. T59 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is T59 in?
T59 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T59 category
T59.0
Toxic effect of nitrogen oxides
Non-billable
T59.1
Toxic effect of sulfur dioxide
Non-billable
T59.2
Toxic effect of formaldehyde
Non-billable
T59.0X
Toxic effect of nitrogen oxides
Non-billable
T59.1X
Toxic effect of sulfur dioxide
Non-billable
T59.2X
Toxic effect of formaldehyde
Non-billable
T59.0X1
Toxic effect of nitrogen oxides, accidental (unintentional)
Non-billable
T59.0X2
Toxic effect of nitrogen oxides, intentional self-harm
Non-billable
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