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Diagnosis Code

F84.2 RETT'S SYNDROME


Code Information

Diagnosis Code: F84.2

Short Description: Rett's syndrome

Long Description: Rett's syndrome

The code F84.2 is VALID for claim submission

Code Classification:

  • Mental and behavioural disorders (F01–F99)
    • Pervasive and specific developmental disorders (F80-F89)
      • Pervasive developmental disorders (F84)
        • F84.2 Rett's syndrome

Code Version: 2022 ICD-10-CM


Synonyms

  • Atypical Rett syndrome
  • Dementia due to Rett's syndrome
  • Rett's disorder

References to Index of Diseases and Injuries

The code F84.2 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • Asperger's syndrome (@F84.5*)
    • Autistic disorder (@F84.0*)
    • Other childhood disintegrative disorder (@F84.3*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
F84.2 Right Arrow 330.8 Cereb degen in child NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
F84 Pervasive developmental disorders
F84.0 Autistic disorder
F84.3 Other childhood disintegrative disorder
F84.5 Asperger's syndrome
F84.8 Other pervasive developmental disorders
F84.9 Pervasive developmental disorder, unspecified

This page was last updated on: 10/1/2023

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