ICD-10-CM category
Y21: Drowning and submersion, undetermined intent
Codes under Y21 (Drowning and submersion, undetermined intent). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Y21.0 | Drowning and submersion while in bathtub, undetermined intent | — |
| Y21.0 | Drowning and submersion while in bathtub, undetermined intent | — |
| Y21.0XXA | Drowning and submersion while in bathtub, undetermined intent, initial encounter | ✓ |
| Y21.0XXA | Drowning and submersion while in bathtub, undetermined intent, initial encounter | ✓ |
| Y21.0XXD | Drowning and submersion while in bathtub, undetermined intent, subsequent encounter | ✓ |
| Y21.0XXD | Drowning and submersion while in bathtub, undetermined intent, subsequent encounter | ✓ |
| Y21.0XXS | Drowning and submersion while in bathtub, undetermined intent, sequela | ✓ |
| Y21.0XXS | Drowning and submersion while in bathtub, undetermined intent, sequela | ✓ |
| Y21.1 | Drowning and submersion after fall into bathtub, undetermined intent | — |
| Y21.1 | Drowning and submersion after fall into bathtub, undetermined intent | — |
| Y21.1XXA | Drowning and submersion after fall into bathtub, undetermined intent, initial encounter | ✓ |
| Y21.1XXA | Drowning and submersion after fall into bathtub, undetermined intent, initial encounter | ✓ |
| Y21.1XXD | Drowning and submersion after fall into bathtub, undetermined intent, subsequent encounter | ✓ |
| Y21.1XXD | Drowning and submersion after fall into bathtub, undetermined intent, subsequent encounter | ✓ |
| Y21.1XXS | Drowning and submersion after fall into bathtub, undetermined intent, sequela | ✓ |
| Y21.1XXS | Drowning and submersion after fall into bathtub, undetermined intent, sequela | ✓ |
| Y21.2 | Drowning and submersion while in swimming pool, undetermined intent | — |
| Y21.2 | Drowning and submersion while in swimming pool, undetermined intent | — |
| Y21.2XXA | Drowning and submersion while in swimming pool, undetermined intent, initial encounter | ✓ |
| Y21.2XXA | Drowning and submersion while in swimming pool, undetermined intent, initial encounter | ✓ |
| Y21.2XXD | Drowning and submersion while in swimming pool, undetermined intent, subsequent encounter | ✓ |
| Y21.2XXD | Drowning and submersion while in swimming pool, undetermined intent, subsequent encounter | ✓ |
| Y21.2XXS | Drowning and submersion while in swimming pool, undetermined intent, sequela | ✓ |
| Y21.2XXS | Drowning and submersion while in swimming pool, undetermined intent, sequela | ✓ |
| Y21.3 | Drowning and submersion after fall into swimming pool, undetermined intent | — |
| Y21.3 | Drowning and submersion after fall into swimming pool, undetermined intent | — |
| Y21.3XXA | Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter | ✓ |
| Y21.3XXA | Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter | ✓ |
| Y21.3XXD | Drowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter | ✓ |
| Y21.3XXD | Drowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter | ✓ |
| Y21.3XXS | Drowning and submersion after fall into swimming pool, undetermined intent, sequela | ✓ |
| Y21.3XXS | Drowning and submersion after fall into swimming pool, undetermined intent, sequela | ✓ |
| Y21.4 | Drowning and submersion in natural water, undetermined intent | — |
| Y21.4 | Drowning and submersion in natural water, undetermined intent | — |
| Y21.4XXA | Drowning and submersion in natural water, undetermined intent, initial encounter | ✓ |
| Y21.4XXA | Drowning and submersion in natural water, undetermined intent, initial encounter | ✓ |
| Y21.4XXD | Drowning and submersion in natural water, undetermined intent, subsequent encounter | ✓ |
| Y21.4XXD | Drowning and submersion in natural water, undetermined intent, subsequent encounter | ✓ |
| Y21.4XXS | Drowning and submersion in natural water, undetermined intent, sequela | ✓ |
| Y21.4XXS | Drowning and submersion in natural water, undetermined intent, sequela | ✓ |
| Y21.8 | Other drowning and submersion, undetermined intent | — |
| Y21.8 | Other drowning and submersion, undetermined intent | — |
| Y21.8XXA | Other drowning and submersion, undetermined intent, initial encounter | ✓ |
| Y21.8XXA | Other drowning and submersion, undetermined intent, initial encounter | ✓ |
| Y21.8XXD | Other drowning and submersion, undetermined intent, subsequent encounter | ✓ |
| Y21.8XXD | Other drowning and submersion, undetermined intent, subsequent encounter | ✓ |
| Y21.8XXS | Other drowning and submersion, undetermined intent, sequela | ✓ |
| Y21.8XXS | Other drowning and submersion, undetermined intent, sequela | ✓ |
| Y21.9 | Unspecified drowning and submersion, undetermined intent | — |
| Y21.9 | Unspecified drowning and submersion, undetermined intent | — |
| Y21.9XXA | Unspecified drowning and submersion, undetermined intent, initial encounter | ✓ |
| Y21.9XXA | Unspecified drowning and submersion, undetermined intent, initial encounter | ✓ |
| Y21.9XXD | Unspecified drowning and submersion, undetermined intent, subsequent encounter | ✓ |
| Y21.9XXD | Unspecified drowning and submersion, undetermined intent, subsequent encounter | ✓ |
| Y21.9XXS | Unspecified drowning and submersion, undetermined intent, sequela | ✓ |
| Y21.9XXS | Unspecified drowning and submersion, undetermined intent, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code Y21?
Y21 is an ICD-10-CM category covering Drowning and submersion, undetermined intent. It contains 56 more specific diagnosis codes, 42 of which are billable.
Is Y21 a billable code?
No — Y21 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Y21.0 — Drowning and submersion while in bathtub, undetermined intent). 42 of the 56 codes under Y21 are billable.
What codes fall under Y21?
Y21 includes Y21.0, Y21.0, Y21.0XXA, Y21.0XXA, Y21.0XXD, plus 51 more. See the full list with descriptions and billable status above.
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