2022 ICD-10-CM Diagnosis Code F78.A9

Other genetic related intellectual disability

    2022 - New Code Billable/Specific Code
  • F78.A9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM F78.A9 is a new 2022 ICD-10-CM code that became effective on October 1, 2021.
  • This is the American ICD-10-CM version of F78.A9 - other international versions of ICD-10 F78.A9 may differ.
Code Also
Code Also Help
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.
  • , if applicable, any associated disorders
The following code(s) above F78.A9 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 F78.A9:
  • F01-F99
    2022 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F70-F79
    2022 ICD-10-CM Range F70-F79

    Intellectual disabilities

    Code First
    • any associated physical or developmental disorders
    Type 1 Excludes
    • borderline intellectual functioning, IQ above 70 to 84 (R41.83)
    Intellectual disabilities
ICD-10-CM F78.A9 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 884 Organic disturbances and intellectual disability
Code History
  • 2022 (effective 10/1/2021): New code

Diagnosis Index entries containing back-references to F78.A9:
  • Disability, disabilities
    • intellectual F79
      ICD-10-CM Diagnosis Code F79

      Unspecified intellectual disabilities

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
      Applicable To
      • Mental deficiency NOS
      • Mental subnormality NOS
      • with
        • pathogenic CHAMP1 F78.A9 (genetic) (variant)
        • pathogenic HNRNPH2 F78.A9 (genetic) (variant)
        • pathogenic SATB2 F78.A9 (genetic) (variant)
        • pathogenic SETBP1 F78.A9 (genetic) (variant)
        • pathogenic STXBP1 F78.A9 (genetic) (variant)
      • genetic related F78.A9
        • with
          • pathogenic CHAMP1 F78.A9 (variant)
          • pathogenic HNRNPH2 F78.A9 (variant)
          • pathogenic SATB2 F78.A9 (variant)
          • pathogenic SETBP1 F78.A9 (variant)
          • pathogenic STXBP1 F78.A9 (variant)
        • specified NEC F78.A9
      • in
        • autosomal dominant mental retardation F78.A9
        • autosomal recessive mental retardation F78.A9
        • SATB2-associated syndrome F78.A9
        • SETBP1 disorder F78.A9
        • STXBP1 encephalopathy with epilepsy F78.A9 - see also Encephalopathy; and see also Epilepsy
        • X-linked mental retardation F78.A9 (syndromic) (Bain type)
      • autosomal dominant F78.A9
      • autosomal recessive F78.A9
      • specified level NEC F78.A9
      • X-linked F78.A9 (syndromic) (Bain type)

ICD-10-CM Codes Adjacent To F78.A9
F68.A Factitious disorder imposed on another
F68.8 Other specified disorders of adult personality and behavior
F69 Unspecified disorder of adult personality and behavior
F70 Mild intellectual disabilities
F71 Moderate intellectual disabilities
F72 Severe intellectual disabilities
F73 Profound intellectual disabilities
F78 Other intellectual disabilities
F78.A Other genetic related intellectual disabilities
F78.A1 SYNGAP1-related intellectual disability
F78.A9 Other genetic related intellectual disability
F79 Unspecified intellectual disabilities
F80 Specific developmental disorders of speech and language
F80.0 Phonological disorder
F80.1 Expressive language disorder
F80.2 Mixed receptive-expressive language disorder
F80.4 Speech and language development delay due to hearing loss
F80.8 Other developmental disorders of speech and language
F80.81 Childhood onset fluency disorder
F80.82 Social pragmatic communication disorder
F80.89 Other developmental disorders of speech and language

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