ICD-10-CM code · FY2027

F81.81 Disorder of written expression

BillableValid for claims as a specific diagnosis code

About F81.81

Code: F81.81
Billable: Yes
Short description: Disorder of written expression
Category: F81 Specific developmental disorders of scholastic skills
Block: F80-F89 Pervasive and specific developmental disorders
Chapter: 5 Mental, Behavioral and Neurodevelopmental disorders
Code set: FY2027, October 1, 2026 to September 30, 2027

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Coding notes for F81.81

Applicable to Other names for conditions reported with this code.

Specific learning disorder, with impairment in written expression
Specific spelling disorder

Chapter 5 notes (apply to every code in it)

Includes Conditions this code covers.

disorders of psychological development

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Related codes in F81.8

F81.89 Other developmental disorders of scholastic skillsBillable

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ICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.