T59.94XA ICD-10-CM Code: Toxic effect of unspecified gases, fumes and vapors, undetermined, initial encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T59.94XAToxic effect of unspecified gases, fumes and vapors, undetermined, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T59.94XA sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- 3
Category T59
Toxic effect of other gases, fumes and vapors
- 4
Subcategory T59.94
Toxic effect of unspecified gases, fumes and vapors, undetermined
- 5
Code T59.94XA
Toxic effect of unspecified gases, fumes and vapors, undetermined, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T59.94XA.
Code first
No “code first” instruction is listed for T59.94XA.
Use additional code
No “use additional code” instruction is listed for T59.94XA.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T59.94XA.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T59.94XA.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T59.94XA mean?
T59.94XA is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of unspecified gases, fumes and vapors, undetermined, initial encounter.”
Is T59.94XA a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T59.94XA has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is T59.94XA located in ICD-10-CM?
T59.94XA is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) (T51–T65), under category T59, Toxic effect of other gases, fumes and vapors and subcategory T59.94, Toxic effect of unspecified gases, fumes and vapors, undetermined.
What coding notes are listed for T59.94XA?
No inclusion terms are listed for T59.94XA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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