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ICD-10-CM Codes
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V00-Y99
External causes of morbidity
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X92-Y09
Assault
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Y09-
Assault by unspecified means
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2021 ICD-10-CM Diagnosis Code Y09
2021 ICD-10-CM Diagnosis Code Y09
Assault by unspecified means
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Y09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM Y09 became effective on October 1, 2020.
- This is the American ICD-10-CM version of Y09 - other international versions of ICD-10 Y09 may differ.
ICD-10-CM Coding Rules
- Y09 describes the circumstance causing an injury, not the nature of the injury.
Applicable To- Assassination (attempted) NOS
- Homicide (attempted) NOS
- Manslaughter (attempted) NOS
- Murder (attempted) NOS
The following code(s) above
Y09 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Y09:
Approximate Synonyms
- Cause of injury, assault
- Traumatic injury due to assault
Convert Y09 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Assault (homicidal) (by) (in) Y09
- Injury, injured (accidental(ly)) X58
ICD-10-CM Diagnosis Code X58
Exposure to other specified factors
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
ICD-10-CM Codes Adjacent To Y09
Y08.8 Assault by other specified means
Y08.81 Assault by crashing of aircraft
Y08.89 Assault by other specified means
Y09
Assault by unspecified means
Y21 Drowning and submersion, undetermined intent
Y21.0 Drowning and submersion while in bathtub, undetermined intent
Y21.1 Drowning and submersion after fall into bathtub, undetermined intent
Y21.2 Drowning and submersion while in swimming pool, undetermined intent
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.