1. ICD-10-CM Codes
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2. F01-F99 Mental, Behavioral and Neurodevelopmental disorders
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3. F80-F89 Pervasive and specific developmental disorders
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4. F84- Pervasive developmental disorders
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5. 2020 ICD-10-CM Diagnosis Code F84.9

2020 ICD-10-CM Diagnosis Code F84.9

Pervasive developmental disorder, unspecified

2016 2017 2018 2019 2020 Billable/Specific Code

• F84.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM F84.9 became effective on October 1, 2019.
• This is the American ICD-10-CM version of F84.9 - other international versions of ICD-10 F84.9 may differ.

• Developmental disorder, pervasive
• Developmental disorder, pervasive, residual state
• Pervasive developmental disorder
• Pervasive developmental disorder of residual state

• 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.

• 885 Psychoses

Convert F84.9 to ICD-9-CM

• 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

• Autism, autistic (childhood) (infantile) F84.0
  ICD-10-CM Diagnosis Code F84.0

  Autistic disorder

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Autism spectrum disorder
  • Infantile autism
  • Infantile psychosis
  • Kanner's syndrome

  Type 1 Excludes

  • Asperger's syndrome (F84.5)
  • atypical F84.9
• Delay, delayed
  • development R62.50
    ICD-10-CM Diagnosis Code R62.50

    Unspecified lack of expected normal physiological development in childhood

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Infantilism NOS
    • pervasive F84.9
• Disability, disabilities
  • intellectual F79
    ICD-10-CM Diagnosis Code F79

    Unspecified intellectual disabilities

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Mental deficiency NOS
    • Mental subnormality NOS
    • with
      • autistic features F84.9
• Disorder (of) - see also Disease
  • developmental F89
    ICD-10-CM Diagnosis Code F89

    Unspecified disorder of psychological development

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Developmental disorder NOS
    • Neurodevelopmental disorder NOS
    • pervasive F84.9
  • pervasive, developmental F84.9

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