T51.1X4A ICD-10-CM Code: Toxic effect of methanol, 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
T51.1X4AToxic effect of methanol, undetermined, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T51.1X4A 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 T51
Toxic effect of alcohol
- 4
Subcategory T51.1X4
Toxic effect of methanol, undetermined
- 5
Code T51.1X4A
Toxic effect of methanol, undetermined, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T51.1X4A.
Code first
No “code first” instruction is listed for T51.1X4A.
Use additional code
No “use additional code” instruction is listed for T51.1X4A.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T51.1X4A.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T51.1X4A.
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 T51.1X4A mean?
T51.1X4A is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of methanol, undetermined, initial encounter.”
Is T51.1X4A a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T51.1X4A 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 T51.1X4A located in ICD-10-CM?
T51.1X4A 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 T51, Toxic effect of alcohol and subcategory T51.1X4, Toxic effect of methanol, undetermined.
What coding notes are listed for T51.1X4A?
No inclusion terms are listed for T51.1X4A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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