W16.21
Non-billableFall in (into) filled bathtub
W16.21 is the ICD-10-CM code for Fall in (into) filled bathtub. It is a non-billable category code — use a more specific child code such as W16.211 for billing.
V00-Y99 External causes of morbidity
Excludes1 — not coded here
- •fall into empty bathtub (W18.2)
Frequently asked questions
- What is ICD-10 code W16.21?
- W16.21 is the ICD-10-CM code for "Fall in (into) filled bathtub". It falls under V00-Y99 External causes of morbidity.
- Is W16.21 a billable code?
- No — W16.21 is a non-billable header code. Use a more specific child code (such as W16.211) for billing.
- What is excluded from W16.21?
- Excludes1 (not coded here): fall into empty bathtub (W18.2).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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