Mental disorder, not otherwise specified F99- >

Applicable To
  • Mental illness NOS
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as F99. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • unspecified mental disorder due to known physiological condition (
    ICD-10-CM Diagnosis Code F09

    Unspecified mental disorder due to known physiological condition

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Mental disorder NOS due to known physiological condition
    • Organic brain syndrome NOS
    • Organic mental disorder NOS
    • Organic psychosis NOS
    • Symptomatic psychosis NOS
    Code First
    • the underlying physiological condition
    Type 1 Excludes
    • psychosis NOS (F29)
    F09
    )
Clinical Information
Codes