Y21 — Drowning and submersion, undetermined intent
Not billable
Is Y21 billable?
No — Y21 is a non-billable header code. Y21 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 21 billable codes beneath Y21.
Billable codes under this header
- Y21.0XXADrowning and submersion while in bathtub, undetermined intent, initial encounter
- Y21.0XXDDrowning and submersion while in bathtub, undetermined intent, subsequent encounter
- Y21.0XXSDrowning and submersion while in bathtub, undetermined intent, sequela
- Y21.1XXADrowning and submersion after fall into bathtub, undetermined intent, initial encounter
- Y21.1XXDDrowning and submersion after fall into bathtub, undetermined intent, subsequent encounter
- Y21.1XXSDrowning and submersion after fall into bathtub, undetermined intent, sequela
- Y21.2XXADrowning and submersion while in swimming pool, undetermined intent, initial encounter
- Y21.2XXDDrowning and submersion while in swimming pool, undetermined intent, subsequent encounter
- Y21.2XXSDrowning and submersion while in swimming pool, undetermined intent, sequela
- Y21.3XXADrowning and submersion after fall into swimming pool, undetermined intent, initial encounter
- Y21.3XXDDrowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter
- Y21.3XXSDrowning and submersion after fall into swimming pool, undetermined intent, sequela
- Y21.4XXADrowning and submersion in natural water, undetermined intent, initial encounter
- Y21.4XXDDrowning and submersion in natural water, undetermined intent, subsequent encounter
- Y21.4XXSDrowning and submersion in natural water, undetermined intent, sequela
- Y21.8XXAOther drowning and submersion, undetermined intent, initial encounter
- Y21.8XXDOther drowning and submersion, undetermined intent, subsequent encounter
- Y21.8XXSOther drowning and submersion, undetermined intent, sequela
- Y21.9XXAUnspecified drowning and submersion, undetermined intent, initial encounter
- Y21.9XXDUnspecified drowning and submersion, undetermined intent, subsequent encounter
- Y21.9XXSUnspecified drowning and submersion, undetermined intent, sequela
Y21 at a glance
| Code | Y21 |
|---|---|
| Description | Drowning and submersion, undetermined intent |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What codes fall under Y21? (7)
- Y21.0Drowning and submersion while in bathtub, undetermined intentnot billable
- Y21.1Drowning and submersion after fall into bathtub, undetermined intentnot billable
- Y21.2Drowning and submersion while in swimming pool, undetermined intentnot billable
- Y21.3Drowning and submersion after fall into swimming pool, undetermined intentnot billable
- Y21.4Drowning and submersion in natural water, undetermined intentnot billable
- Y21.8Other drowning and submersion, undetermined intentnot billable
- Y21.9Unspecified drowning and submersion, undetermined intentnot billable
How long has Y21 existed?
Y21 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.