W16 vs W65.XXXD
W16 (Fall, jump or diving into water) compared with W65.XXXD (Accidental drowning and submersion while in bath-tub, subsequent encounter), 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 carries an Excludes1 note covering W65.XXXD: “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.XXXD carries an Excludes1 note covering W16: “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
| W16Fall, jump or diving into water | W65.XXXDAccidental drowning and submersion while in bath-tub, subsequent encounter | |
|---|---|---|
| Billing status | Non-billable header Report instead: W16.011A, W16.011D, W16.011S, W16.012A, W16.012D | Billable |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Fall, jump or diving into water is a non-billable ICD-10-CM category code (W16). | Accidental drowning and submersion while in bath-tub, subsequent encounter is a billable ICD-10-CM diagnosis code (W65D). |
| 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