F81.81 – Disorder of written expression
ICD-10-CM 2027 diagnosis code · Pervasive and specific developmental disorders
ICD-10-CM code
F81.81
- Code
F81.81(claims format:F8181)- Description
- Disorder of written expression
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F80-F89 Pervasive and specific developmental disorders
- Parent codes
- F81 › F81.8
Notes for F81.81
Applicable to:
- Specific learning disorder, with impairment in written expression
- Specific spelling disorder
Index terms for F81.81
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Disorder, spelling
- Retardation, spelling
- Agraphia, developmental
- Disorder, learning, spelling
- Disorder, specific, spelling
- Development, delayed, spelling
- Difficult, difficulty, spelling
- Delay, delayed, development, spelling
- Disorder, learning, written expression
- Disorder, specific, written expression
- Development, delayed, written expression
- Disorder, developmental, expressive writing
- Disorder, developmental, written expression
- Disability, disabilities, spelling, specific
- Disorder, learning, specified, with impairment in, written expression
Related codes in F81.8
Frequently asked questions
What is ICD-10 code F81.81?
F81.81 is the ICD-10-CM code for disorder of written expression, in the block F80-F89 (Pervasive and specific developmental disorders).
Is F81.81 a billable code?
Yes. F81.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F81.81 belong to?
It belongs to category F81 – Specific developmental disorders of scholastic skills.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.