2022 ICD-10-CM Diagnosis Code F78.A1

SYNGAP1-related intellectual disability

    2022 - New Code Billable/Specific Code
  • F78.A1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM F78.A1 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.A1 - other international versions of ICD-10 F78.A1 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:
  • autism spectrum disorder (
    ICD-10-CM Diagnosis Code F84.0

    Autistic disorder

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Autism spectrum disorder
    • Infantile autism
    • Infantile psychosis
    • Kanner's syndrome
    Type 1 Excludes
    • Asperger's syndrome (F84.5)
    F84.0
    )
  • autistic disorder (
    ICD-10-CM Diagnosis Code F84.0

    Autistic disorder

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Autism spectrum disorder
    • Infantile autism
    • Infantile psychosis
    • Kanner's syndrome
    Type 1 Excludes
    • Asperger's syndrome (F84.5)
    F84.0
    )
  • encephalopathy (
    ICD-10-CM Diagnosis Code G93.4

    Other and unspecified encephalopathy

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • alcoholic encephalopathy (G31.2)
    • encephalopathy in diseases classified elsewhere (G94)
    • hypertensive encephalopathy (I67.4)
    Type 2 Excludes
    • toxic (metabolic) encephalopathy (G92.8)
    G93.4-
    )
  • epilepsy and recurrent seizures (
    ICD-10-CM Diagnosis Code G40
    • G40 Epilepsy and recurrent seizures
      • G40.0 Localization-related (focal) (partial) idiopa...
        • G40.00 Localization-related (focal) (partial) idiopa...
          • G40.001 Localization-related (focal) (partial) idiopa...
          • G40.009 Localization-related (focal) (partial) idiopa...
        • G40.01 Localization-related (focal) (partial) idiopa...
          • G40.011 Localization-related (focal) (partial) idiopa...
          • G40.019 Localization-related (focal) (partial) idiopa...
      • G40.1 Localization-related (focal) (partial) sympto...
        • G40.10 Localization-related (focal) (partial) sympto...
          • G40.101 Localization-related (focal) (partial) sympto...
          • G40.109 Localization-related (focal) (partial) sympto...
        • G40.11 Localization-related (focal) (partial) sympto...
          • G40.111 Localization-related (focal) (partial) sympto...
          • G40.119 Localization-related (focal) (partial) sympto...
      • G40.2 Localization-related (focal) (partial) sympto...
        • G40.20 Localization-related (focal) (partial) sympto...
          • G40.201 Localization-related (focal) (partial) sympto...
          • G40.209 Localization-related (focal) (partial) sympto...
        • G40.21 Localization-related (focal) (partial) sympto...
          • G40.211 Localization-related (focal) (partial) sympto...
          • G40.219 Localization-related (focal) (partial) sympto...
      • G40.3 Generalized idiopathic epilepsy and epileptic...
        • G40.30 Generalized idiopathic epilepsy and epileptic...
          • G40.301 Generalized idiopathic epilepsy and epileptic...
          • G40.309 Generalized idiopathic epilepsy and epileptic...
        • G40.31 Generalized idiopathic epilepsy and epileptic...
          • G40.311 Generalized idiopathic epilepsy and epileptic...
          • G40.319 Generalized idiopathic epilepsy and epileptic...
      • G40.A Absence epileptic syndrome
        • G40.A0 Absence epileptic syndrome, not intractable
          • G40.A01 Absence epileptic syndrome, not intractable, ...
          • G40.A09 Absence epileptic syndrome, not intractable, ...
        • G40.A1 Absence epileptic syndrome, intractable
          • G40.A11 Absence epileptic syndrome, intractable, with...
          • G40.A19 Absence epileptic syndrome, intractable, with...
      • G40.B Juvenile myoclonic epilepsy [impulsive petit ...
        • G40.B0 Juvenile myoclonic epilepsy, not intractable
          • G40.B01 Juvenile myoclonic epilepsy, not intractable,...
          • G40.B09 Juvenile myoclonic epilepsy, not intractable,...
        • G40.B1 Juvenile myoclonic epilepsy, intractable
          • G40.B11 Juvenile myoclonic epilepsy, intractable, wit...
          • G40.B19 Juvenile myoclonic epilepsy, intractable, wit...
      • G40.4 Other generalized epilepsy and epileptic synd...
        • G40.40 Other generalized epilepsy and epileptic synd...
          • G40.401 Other generalized epilepsy and epileptic synd...
          • G40.409 Other generalized epilepsy and epileptic synd...
        • G40.41 Other generalized epilepsy and epileptic synd...
          • G40.411 Other generalized epilepsy and epileptic synd...
          • G40.419 Other generalized epilepsy and epileptic synd...
        • G40.42 Cyclin-Dependent Kinase-Like 5 Deficiency Dis...
      • G40.5 Epileptic seizures related to external causes...
        • G40.50 Epileptic seizures related to external causes...
          • G40.501 Epileptic seizures related to external causes...
          • G40.509 Epileptic seizures related to external causes...
      • G40.8 Other epilepsy and recurrent seizures
        • G40.80 Other epilepsy
          • G40.801 Other epilepsy, not intractable, with status ...
          • G40.802 Other epilepsy, not intractable, without stat...
          • G40.803 Other epilepsy, intractable, with status epil...
          • G40.804 Other epilepsy, intractable, without status e...
        • G40.81 Lennox-Gastaut syndrome
          • G40.811 Lennox-Gastaut syndrome, not intractable, wit...
          • G40.812 Lennox-Gastaut syndrome, not intractable, wit...
          • G40.813 Lennox-Gastaut syndrome, intractable, with st...
          • G40.814 Lennox-Gastaut syndrome, intractable, without...
        • G40.82 Epileptic spasms
          • G40.821 Epileptic spasms, not intractable, with statu...
          • G40.822 Epileptic spasms, not intractable, without st...
          • G40.823 Epileptic spasms, intractable, with status ep...
          • G40.824 Epileptic spasms, intractable, without status...
        • G40.83 Dravet syndrome
          • G40.833 Dravet syndrome, intractable, with status epi...
          • G40.834 Dravet syndrome, intractable, without status ...
        • G40.89 Other seizures
      • G40.9 Epilepsy, unspecified
        • G40.90 Epilepsy, unspecified, not intractable
          • G40.901 Epilepsy, unspecified, not intractable, with ...
          • G40.909 Epilepsy, unspecified, not intractable, witho...
        • G40.91 Epilepsy, unspecified, intractable
          • G40.911 Epilepsy, unspecified, intractable, with stat...
          • G40.919 Epilepsy, unspecified, intractable, without s...
    G40.-
    )
  • other pervasive developmental disorders (
    ICD-10-CM Diagnosis Code F84.8

    Other pervasive developmental disorders

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Overactive disorder associated with intellectual disabilities and stereotyped movements
    F84.8
    )
  • pervasive developmental disorder, NOS (
    ICD-10-CM Diagnosis Code F84.9

    Pervasive developmental disorder, unspecified

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Atypical autism
    F84.9
    )
The following code(s) above F78.A1 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.A1:
  • 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.A1 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.A1:
  • 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 SYNGAP1 F78.A1 (genetic) (variant)
      • genetic related F78.A9
        ICD-10-CM Diagnosis Code F78.A9

        Other genetic related intellectual disability

          2022 - New Code Billable/Specific Code
        Code Also
        • , if applicable, any associated disorders
        • with
          • pathogenic SYNGAP1 F78.A1 (variant)
        • SYNGAP1-related F78.A1
      • SYNGAP1-related F78.A1

ICD-10-CM Codes Adjacent To F78.A1
F68.13 …… with combined psychological and physical signs and symptoms
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

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