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U.S. ICD-10-CM · FY 2027

T59.2X2S ICD-10-CM Code: Toxic effect of formaldehyde, intentional self-harm, sequela

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

T59.2X2S

Toxic effect of formaldehyde, intentional self-harm, sequela

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where T59.2X2S sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

  3. 3

    Category T59

    Toxic effect of other gases, fumes and vapors

  4. 4

    Subcategory T59.2X2

    Toxic effect of formaldehyde, intentional self-harm

  5. 5

    Code T59.2X2S

    Toxic effect of formaldehyde, intentional self-harm, sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T59.2X2S.

Code first

No “code first” instruction is listed for T59.2X2S.

Use additional code

No “use additional code” instruction is listed for T59.2X2S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T59.2X2S.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for T59.2X2S.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code T59.2X2S mean?

T59.2X2S is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of formaldehyde, intentional self-harm, sequela.”

Is T59.2X2S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T59.2X2S 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 T59.2X2S located in ICD-10-CM?

T59.2X2S 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 T59.2X2, Toxic effect of formaldehyde, intentional self-harm.

What coding notes are listed for T59.2X2S?

No inclusion terms are listed for T59.2X2S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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