2020 ICD-10-CM Diagnosis Code F73

Profound intellectual disabilities

    2016 2017 2018 2019 2020 Billable/Specific Code
  • F73 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 F73 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of F73 - other international versions of ICD-10 F73 may differ.
Applicable To
  • IQ level below 20-25
  • Profound mental subnormality
The following code(s) above F73 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 F73:
  • F01-F99
    2020 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
    2020 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
Approximate Synonyms
  • Intellectual disability, profound
  • Profound intellectual disability
  • Profound mental retardation (i.q. Below 20)
Clinical Information
  • Iq below 20.
ICD-10-CM F73 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 884 Organic disturbances and intellectual disability

Convert F73 to ICD-9-CM

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

Diagnosis Index entries containing back-references to F73:
  • 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
      • profound F73 (I.Q. under 20)
  • I.Q.
    • under 20 F73
  • Idiot, idiocy (congenital) F73

ICD-10-CM Codes Adjacent To F73
F68.10 …… unspecified
F68.11 …… with predominantly psychological signs and symptoms
F68.12 …… with predominantly physical signs and symptoms
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
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.