ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
F99 Unspecified mental disorder /
F99 Mental disorder, not otherwise specified
Billable ICD-10-CM Code F99
F99
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Mental disorder, not otherwise specified 
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Mental illness NOS
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excludes1
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unspecified mental disorder due to known physiological condition (F09) |
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