W16.41XA vs W65
W16.41XA (Fall into unspecified water causing drowning and submersion, initial encounter) compared with W65 (Accidental drowning and submersion while in bath-tub), 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. W16.41XA carries an Excludes1 note covering W65: “accidental non-watercraft drowning and submersion not involving fall (W65-W74)”
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. W65 carries an Excludes1 note covering W16.41XA: “accidental drowning and submersion due to fall into water (W16.-)”
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
| W16.41XAFall into unspecified water causing drowning and submersion, initial encounter | W65Accidental drowning and submersion while in bath-tub | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Fall into unspecified water causing drowning and submersion, initial encounter is a billable ICD-10-CM diagnosis code (W16.41A). | Accidental drowning and submersion while in bath-tub is a non-billable ICD-10-CM category code (W65). |
| 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 code W65 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources