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
What this means — in plain language
MedlinePlus · NIHFalls can be dangerous at any age. Babies and young children can get hurt falling off furniture or down the stairs. Older children may fall off playground equipment. For older adults, falls can be especially serious. They are at higher risk of falling. They are also more likely to fracture (break) a bone when they fall, especially if they have osteoporosis . A broken bone, especially when it is in a hip , may even…
Read more about Falls at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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.
Look up another ICD-10 code or condition