F84.2 Billable Code
Rett's syndrome
Effective From: 10/01/2016
Chapter Classification
Chapter 5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Section Detail
F80-F89
Pervasive and specific developmental disorders (F80-F89)
Code Hierarchy
This code is a child of F84.
Coding Guidelines & Notes
excludes1
- Asperger's syndrome (F84.5)
- Autistic disorder (F84.0)
- Other childhood disintegrative disorder (F84.3)
OPPS Editing Flags
External Cause
No
Mental Health
Yes
Manifestation (Edit 89)
No
Code First Applicable This code represents a manifestation of an underlying disease. The underlying condition must be coded first as the principal diagnosis.
No
Unacceptable PDX (Edit 113)
No
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