W16.021 — Fall into swimming pool striking bottom causing drowning and submersion
Is W16.021 billable?
No — W16.021 is a non-billable header code. W16.021 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 3 billable codes beneath W16.021.
Billable codes under this header
W16.021 at a glance
| Code | W16.021 |
|---|---|
| Description | Fall into swimming pool striking bottom causing drowning and submersion |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W16.021 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W16.021 — how the injury happened, rather than what the injury was.
- Striking against › bottom when › falling into water › swimming pool › causing drowning
- Drowning › following › fall › into › swimming-pool › striking › bottom (accidental)
- Drowning › in › swimming-pool › following › fall › striking › bottom (accidental)
- Fall, falling › into › water › in › swimming pool › striking › bottom › causing drowning (accidental)
Excludes1 — never code together
The conditions below can never be reported together with W16.021 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- drowning and submersion while in swimming pool without fall (W67)
Excludes1 — never code together — inherited from W00-W19
The conditions below can never be reported together with W16.021 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W16
The conditions below can never be reported together with W16.021 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W16.0
The conditions below can never be reported together with W16.021 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- fall into empty swimming pool (W17.3)
Excludes2 — not included here — inherited from W00-W19
The conditions below are not part of W16.021, but a patient may have both at the same time. When documentation supports it, W16.021 and the excluded code may both be reported.
Excludes2 — not included here — inherited from W16
The conditions below are not part of W16.021, but a patient may have both at the same time. When documentation supports it, W16.021 and the excluded code may both be reported.
- striking or hitting diving board (W21.4)
What codes fall under W16.021? (3)
How long has W16.021 existed?
W16.021 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.