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F99Mental disorder, not otherwise specified

ICD-10-CM billable/specific code — part of Unspecified mental disorder (F99)

Code Details

BillableYes
ChapterChapter 5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
SectionUnspecified mental disorder (F99)

Coding Notes

Inclusion Terms

  • Mental illness NOS

Excludes1 (never code both together)

  • unspecified mental disorder due to known physiological condition (F09)
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