W16.821 — Jumping or diving into other water striking bottom causing drowning and submersion
Is W16.821 billable?
No — W16.821 is a non-billable header code. W16.821 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 W16.821.
Billable codes under this header
- W16.821AJumping or diving into other water striking bottom causing drowning and submersion, initial encounter
- W16.821DJumping or diving into other water striking bottom causing drowning and submersion, subsequent encounter
- W16.821SJumping or diving into other water striking bottom causing drowning and submersion, sequela
W16.821 at a glance
| Code | W16.821 |
|---|---|
| Description | Jumping or diving into other water 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 W16.821 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W16.821 — how the injury happened, rather than what the injury was.
- Striking against › bottom when › diving or jumping into water › causing drowning
- Striking against › bottom when › diving or jumping into water › natural body › causing drowning
- Drowning › in › specified place NEC › following › dive or jump › striking › bottom (accidental)
- Jumped, jumping › into water › in › specified place NEC › striking › bottom › causing drowning
- Drowning › following › jump or dive › into › water NOS › specified NEC › striking › bottom (accidental)
Excludes1 — never code together
The conditions below can never be reported together with W16.821 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 other water without jumping or diving (W73)
Excludes1 — never code together — inherited from W00-W19
The conditions below can never be reported together with W16.821 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 W16.821 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from W00-W19
The conditions below are not part of W16.821, but a patient may have both at the same time. When documentation supports it, W16.821 and the excluded code may both be reported.
Excludes2 — not included here — inherited from W16
The conditions below are not part of W16.821, but a patient may have both at the same time. When documentation supports it, W16.821 and the excluded code may both be reported.
- striking or hitting diving board (W21.4)
What codes fall under W16.821? (3)
- W16.821AJumping or diving into other water striking bottom causing drowning and submersion, initial encounter
- W16.821DJumping or diving into other water striking bottom causing drowning and submersion, subsequent encounter
- W16.821SJumping or diving into other water striking bottom causing drowning and submersion, sequela
How long has W16.821 existed?
W16.821 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.