Y99
Non-billableExternal cause status
External cause status
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Child Codes (5)
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for external cause status?
The ICD-10-CM code for external cause status is Y99. The full clinical description is "External cause status". Y99 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code Y99 mean?
ICD-10-CM code Y99 represents “External cause status”. 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 Y99 a billable code?
No, Y99 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under Y99.
What chapter is Y99 in?
Y99 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What are the subcategories under Y99?
Y99 has 5 child codes, including: Y99.0 (Civilian activity done for income or pay), Y99.1 (Military activity), Y99.2 (Volunteer activity), Y99.8 (Other external cause status), and 1 more.
What are the UMLS CUIs for Y99?
Y99 is linked to 1 UMLS Concept Unique Identifier: C2712898. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Y99 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like external cause status 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 Y99?
There is no direct ICD-11 mapping available for Y99 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.
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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.