2021 ICD-10-CM Diagnosis Code F84

Pervasive developmental disorders

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • F84 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM F84 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of F84 - other international versions of ICD-10 F84 may differ.
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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 principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code to identify any associated medical condition and intellectual disabilities.
The following code(s) above F84 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 F84:
  • F01-F99
    2021 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
Clinical Information
  • A category of developmental disorders characterized by impaired communication and socialization skills. The impairments are incongruent with the individual's developmental level or mental age. These disorders can be associated with general medical or genetic conditions.
  • Broad term for disorders, usually first diagnosed in children prior to age 4, characterized by severe and profound impairment in social interaction, communication, and the presence of stereotyped behaviors, interests, and activities. Compare developmental disabilities.
  • Group of disorders characterized by delays in the development of socialization and communication skills; typical age of onset is before 3 years of age; symptoms may include problems with using and understanding language; difficulty relating to people, objects, and events; unusual play with toys and other objects; difficulty with changes in routine or familiar surroundings, and repetitive body movements or behavior patterns; autism is the most characteristic and best studied pdd; other types of pdd include asperger syndrome, childhood disintegrative disorder, and rett syndrome; prefer nts where possible.
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
Code annotations containing back-references to F84:
  • Code First: Z91.83
    ICD-10-CM Diagnosis Code Z91.83

    Wandering in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt Manifestation Code
    Code First
    • underlying disorder such as:
    • Alzheimer's disease (G30.-)
    • autism or pervasive developmental disorder (F84.-)
    • intellectual disabilities (F70-F79)
    • unspecified dementia with behavioral disturbance (F03.9-)
  • Type 2 Excludes: F90
    , F94.0
    , F91
    , F80.1
    , F80.2
    ICD-10-CM Diagnosis Code F90

    Attention-deficit hyperactivity disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    • attention deficit disorder with hyperactivity
    • attention deficit syndrome with hyperactivity
    Type 2 Excludes
    ICD-10-CM Diagnosis Code F94.0

    Selective mutism

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Elective mutism
    Type 2 Excludes
    • pervasive developmental disorders (F84.-)
    • schizophrenia (F20.-)
    • specific developmental disorders of speech and language (F80.-)
    • transient mutism as part of separation anxiety in young children (F93.0)
    ICD-10-CM Diagnosis Code F91

    Conduct disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • antisocial behavior (Z72.81-)
    • antisocial personality disorder (F60.2)
    Type 2 Excludes
    • conduct problems associated with attention-deficit hyperactivity disorder (F90.-)
    • mood [affective] disorders (F30-F39)
    • pervasive developmental disorders (F84.-)
    • schizophrenia (F20.-)
    ICD-10-CM Diagnosis Code F80.1

    Expressive language disorder

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Developmental dysphasia or aphasia, expressive type
    Type 1 Excludes
    • mixed receptive-expressive language disorder (F80.2)
    • dysphasia and aphasia NOS (R47.-)
    Type 2 Excludes
    • acquired aphasia with epilepsy [Landau-Kleffner] (G40.80-)
    • selective mutism (F94.0)
    • intellectual disabilities (F70-F79)
    • pervasive developmental disorders (F84.-)
    ICD-10-CM Diagnosis Code F80.2

    Mixed receptive-expressive language disorder

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Developmental dysphasia or aphasia, receptive type
    • Developmental Wernicke's aphasia
    Type 1 Excludes
    • central auditory processing disorder (H93.25)
    • dysphasia or aphasia NOS (R47.-)
    • expressive language disorder (F80.1)
    • expressive type dysphasia or aphasia (F80.1)
    • word deafness (H93.25)
    Type 2 Excludes
    • acquired aphasia with epilepsy [Landau-Kleffner] (G40.80-)
    • pervasive developmental disorders (F84.-)
    • selective mutism (F94.0)
    • intellectual disabilities (F70-F79)
ICD-10-CM Codes Adjacent To F84
F80.89 Other developmental disorders of speech and language
F80.9 Developmental disorder of speech and language, unspecified
F81 Specific developmental disorders of scholastic skills
F81.0 Specific reading disorder
F81.2 Mathematics disorder
F81.8 Other developmental disorders of scholastic skills
F81.81 Disorder of written expression
F81.89 Other developmental disorders of scholastic skills
F81.9 Developmental disorder of scholastic skills, unspecified
F82 Specific developmental disorder of motor function
F84 Pervasive developmental disorders
F84.0 Autistic disorder
F84.2 Rett's syndrome
F84.3 Other childhood disintegrative disorder
F84.5 Asperger's syndrome
F84.8 Other pervasive developmental disorders
F84.9 Pervasive developmental disorder, unspecified
F88 Other disorders of psychological development
F89 Unspecified disorder of psychological development
F90 Attention-deficit hyperactivity disorders
F90.0 Attention-deficit hyperactivity disorder, predominantly inattentive type

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.