W16.1
Non-billableFall into natural body of water
Fall into natural body of water
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Fall into lake
- Fall into open sea
- Fall into river
- Fall into stream
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •assault involving a fallY01-Y02
- •fall from animalV80
- •fall (in) (from) machinery (in operation)W28-W31
- •fall (in) (from) transport vehicleV01-V99
- •intentional self-harm involving a fallX80-X81
- •accidental non-watercraft drowning and submersion not involving fallW65-W74
- •effects of air pressure from divingW94
- •fall into water from watercraftV90-V94
- •hitting an object or against bottom when falling from watercraftV94.0
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (3)
Related Codes(9)
W16.0Fall into swimming pool
W16.2Fall in (into) filled bathtub or bucket of water
W16.3Fall into other water
W16.4Fall into unspecified water
W16.5Jumping or diving into swimming pool
W16.6Jumping or diving into natural body of water
W16.7Jumping or diving from boat
W16.8Jumping or diving into other water
W16.9Jumping or diving into unspecified water
Also Known As / Clinical Terms(5)
Frequently Asked Questions
What is the ICD-10 code for fall into natural body of water?
The ICD-10-CM code for fall into natural body of water is W16.1. The full clinical description is "Fall into natural body of water". W16.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code W16.1 mean?
ICD-10-CM code W16.1 represents “Fall into natural body of water”. It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.
Is W16.1 a billable code?
No, W16.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under W16.1.
What chapter is W16.1 in?
W16.1 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with W16.1?
W16.1 has Excludes1 notes indicating codes that cannot be used together with it, including: assault involving a fall (Y01-Y02); fall from animal (V80.-); fall (in) (from) machinery (in operation) (W28-W31); and 6 more.
What are the subcategories under W16.1?
W16.1 has 3 child codes, including: W16.11 (Fall into natural body of water striking water surface), W16.12 (Fall into natural body of water striking bottom), W16.13 (Fall into natural body of water striking side).
What are the UMLS CUIs for W16.1?
W16.1 is linked to 5 UMLS Concept Unique Identifiers: C2900338, C2900342, C2900339, C2900340, C2900341. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does W16.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like fall into natural body of water affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of W16.1?
There is no direct ICD-11 mapping available for W16.1 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.