W16.0 vs W17.3
W16.0 (Fall into swimming pool) compared with W17.3 (Fall into empty swimming pool), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. W16.0 carries an Excludes1 note covering W17.3: “fall into empty swimming pool (W17.3)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. W17.3 carries an Excludes1 note covering W16.0: “fall into filled swimming pool (W16.0-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| W16.0Fall into swimming pool | W17.3Fall into empty swimming pool | |
|---|---|---|
| Billing status | Non-billable header Report instead: W16.011A, W16.011D, W16.011S, W16.012A, W16.012D | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Fall into swimming pool is a non-billable ICD-10-CM category code (W16.0). | Fall into empty swimming pool is a non-billable ICD-10-CM category code (W17.3). |
| 7th character | The appropriate 7th character is to be added to each code from category W16 | The appropriate 7th character is to be added to each code from category W17 |
| Includes | Fall into swimming pool NOS | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources