F01-F99 ICD 10 Codes interval for

Mental, Behavioral and Neurodevelopmental disorders

ICD 10 Codes related to Mental, Behavioral and Neurodevelopmental disorders

Mental illness, also called mental health disorders, refers to a wide range of mental health conditions — disorders that affect your mood and behavior.

Codes ICD 10 CM Code description
F01-F09 Mental disorders due to known physiological conditions
F10-F19 Mental and behavioral disorders due to psychoactive substance use
F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders
F30-F39 Mood [affective] disorders
F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors
F60-F69 Disorders of adult personality and behavior
F70-F79 Intellectual disabilities
F80-F89 Pervasive and specific developmental disorders
F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
F99 Unspecified mental disorder

Key notes

An inside look into each interval of the ICD-10-CM code set

Includes:
  • disorders of psychological development

Back to ICD 10 CM Codes

Mental illness, also called mental health disorders, refers to a wide range of mental health conditions — disorders that affect your mood and behavior. Depression, anxiety disorders, schizophrenia, eating disorders and addictive behaviors are some example of mental illness. An emotional and behavioral disorder is an emotional disability, Behavioral disorders involve a pattern of disruptive behaviors.

Key updates

An inside look into each interval of the ICD-10-CM code set

  • Classification improvements (different categories)
  • Code expansions:
    – Most notably, Other Isolated or Specific Phobias
  • Updates to medical terminology:
    – Bipolar I disorder, single manic episode will change to manic episode.
    – Undersocialized conduct disorders, aggressive will become Conduct disorder childhood-onset type.
  • Nicotine dependence updated to identify specific tobacco products (cigarettes, chewing tobacco, and other tobacco).

Instructional Notations

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Includes:

The word 'Includes' appears immediately under certain categories to further define, or give examples of, the content of the category.

Excludes Notes:

The ICD-10-CM has two types of excludes notes. Each note has a different definition for use but they are both similar in that they indicate that codes excluded from each other are independent of each other.

Excludes Notes:

The ICD-10-CM has two types of excludes notes. Each note has a different definition for use but they are both similar in that they indicate that codes excluded from each other are independent of each other.

Excludes1:

A type 1 Excludes note is a pure excludes. It means 'NOT CODED HERE!' An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Excludes2:

A type 2 excludes note represents 'Not included here'. An excludes2 note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When an Excludes2 note appears under a code it is acceptable to use both the code and the excluded code together.


Codes notes instructions

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Code First/Use Additional Code notes (etiology/manifestation paired codes)

Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a 'use additional code' note at the etiology code, and a 'code first' note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.

In most cases the manifestation codes will have in the code title, 'in diseases classified elsewhere.' Codes with this title are a component of the etiology/ manifestation convention. The code title indicates that it is a manifestation code. 'In diseases classified elsewhere' codes are never permitted to be used as first listed or principal diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.

Code Also

A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.

7th characters and placeholder X

For codes less than 6 characters that require a 7th character a placeholder X should be assigned for all characters less than 6. The 7th character must always be the 7th character of a code