Y00
Non-billableAssault by blunt object
Assault by blunt object
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- homicide
- injuries inflicted by another person with intent to injure or kill, by any means
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for assault by blunt object?
The ICD-10-CM code for assault by blunt object is Y00. The full clinical description is "Assault by blunt object". Y00 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code Y00 mean?
ICD-10-CM code Y00 represents “Assault by blunt object”. 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 Y00 a billable code?
No, Y00 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 Y00.
What chapter is Y00 in?
Y00 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with Y00?
Y00 has Excludes1 notes indicating codes that cannot be used together with it, including: injuries due to legal intervention (Y35.-); injuries due to operations of war (Y36.-); injuries due to terrorism (Y38.-); and 1 more.
What are the subcategories under Y00?
Y00 has 3 child codes, including: Y00.XXXA (Assault by blunt object, initial encounter), Y00.XXXD (Assault by blunt object, subsequent encounter), Y00.XXXS (Assault by blunt object, sequela).
What are the UMLS CUIs for Y00?
Y00 is linked to 1 UMLS Concept Unique Identifier: C0480675. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Y00 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like assault by blunt object 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 Y00?
Y00 maps to the ICD-11 code: PE40 (Assault by being struck by blunt object).
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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.