Y21 Drowning and submersion, undetermined intent
ICD-10-CM category Y21 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 21 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
Y21.0 Drown while in bathtub, undetermined intentY21.1 Drown after fall into bathtub, undetermined intentY21.2 Drown while in swimming pool, undetermined intentY21.3 Drown after fall into swimming pool, undetermined intentY21.4 Drown in natural water, undetermined intentY21.8 Other drowning and submersion, undetermined intentY21.9 Unspecified drowning and submersion, undetermined intent
Billable codes in Y21
| Code | Description |
|---|---|
Y21.0XXA | Drowning and submersion while in bathtub, undetermined intent, initial encounter |
Y21.0XXD | Drowning and submersion while in bathtub, undetermined intent, subsequent encounter |
Y21.0XXS | Drowning and submersion while in bathtub, undetermined intent, sequela |
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 |
Y21.1XXS | Drowning and submersion after fall into bathtub, undetermined intent, sequela |
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 |
Y21.2XXS | Drowning and submersion while in swimming pool, undetermined intent, sequela |
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 |
Y21.3XXS | Drowning and submersion after fall into swimming pool, undetermined intent, sequela |
Y21.4XXA | Drowning and submersion in natural water, undetermined intent, initial encounter |
Y21.4XXD | Drowning and submersion in natural water, undetermined intent, subsequent encounter |
Y21.4XXS | Drowning and submersion in natural water, undetermined intent, sequela |
Y21.8XXA | Other drowning and submersion, undetermined intent, initial encounter |
Y21.8XXD | Other drowning and submersion, undetermined intent, subsequent encounter |
Y21.8XXS | Other drowning and submersion, undetermined intent, sequela |
Y21.9XXA | Unspecified drowning and submersion, undetermined intent, initial encounter |
Y21.9XXD | Unspecified drowning and submersion, undetermined intent, subsequent encounter |
Y21.9XXS | Unspecified drowning and submersion, undetermined intent, sequela |
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