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U.S. ICD-10-CM · FY 2027

Y21.1XXS ICD-10-CM Code: Drowning and submersion after fall into bathtub, undetermined intent, 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

Y21.1XXS

Drowning and submersion after fall into bathtub, undetermined intent, sequela

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

Classification

Where Y21.1XXS sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Event of undetermined intent (Y21-Y33)

  3. 3

    Category Y21

    Drowning and submersion, undetermined intent

  4. 4

    Subcategory Y21.1

    Drowning and submersion after fall into bathtub, undetermined intent

  5. 5

    Code Y21.1XXS

    Drowning and submersion after fall into bathtub, undetermined intent, sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Y21.1XXS.

Code first

No “code first” instruction is listed for Y21.1XXS.

Use additional code

No “use additional code” instruction is listed for Y21.1XXS.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Y21.1XXS.

Excludes2

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

No Excludes2 note is listed for Y21.1XXS.

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 Y21.1XXS mean?

Y21.1XXS is the FY 2027 U.S. ICD-10-CM code for “Drowning and submersion after fall into bathtub, undetermined intent, sequela.”

Is Y21.1XXS a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, Y21.1XXS 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 Y21.1XXS located in ICD-10-CM?

Y21.1XXS is listed in Chapter 20, External causes of morbidity (V00-Y99), within Event of undetermined intent (Y21-Y33) (Y21–Y33), under category Y21, Drowning and submersion, undetermined intent and subcategory Y21.1, Drowning and submersion after fall into bathtub, undetermined intent.

What coding notes are listed for Y21.1XXS?

No inclusion terms are listed for Y21.1XXS in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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