Y21.3XXA ICD-10-CM Code: Drowning and submersion after fall into swimming pool, undetermined intent, 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
Y21.3XXADrowning and submersion after fall into swimming pool, undetermined intent, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Y21.3XXA sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Event of undetermined intent (Y21-Y33)
- 3
Category Y21
Drowning and submersion, undetermined intent
- 4
Subcategory Y21.3
Drowning and submersion after fall into swimming pool, undetermined intent
- 5
Code Y21.3XXA
Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Y21.3XXA.
Code first
No “code first” instruction is listed for Y21.3XXA.
Use additional code
No “use additional code” instruction is listed for Y21.3XXA.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Y21.3XXA.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Y21.3XXA.
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 Y21.3XXA mean?
Y21.3XXA is the FY 2027 U.S. ICD-10-CM code for “Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter.”
Is Y21.3XXA a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Y21.3XXA 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 Y21.3XXA located in ICD-10-CM?
Y21.3XXA 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 Y21.3, Drowning and submersion after fall into swimming pool, undetermined intent.
What coding notes are listed for Y21.3XXA?
No inclusion terms are listed for Y21.3XXA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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