Y99.9 - Unspecified external cause status
- Applicable to Unspecified external cause status
- The 2025 edition of ICD10-CM Y99.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of Y99.9 - other international versions of ICD10 Y99.9 may differ.
- Y99.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above Y99.9 contain annotation back-references that may be applicable to Y99.9:
Chapter: V00-Y99 External causes of morbidity
Section: Y90-Y99 Supplementary factors related to causes of morbidity classified elsewhere
Category: Y99 External cause status
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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