2026 ICD-10-CM Diagnosis Code F81.0Specific reading disorder

ICD-10-CM CodesF01–F99F80-F89F81

ICD-10-CM F81.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F81.0 is a billable ICD-10-CM diagnosis code for specific reading disorder. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as basic learning problem. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neurodevelopmental disorders.

Code Identity

ICD-10-CM Code
F81.0
Billable Status
Yes — Valid for Submission
Code Describes
Specific reading disorder
Short Description
Specific reading disorder
Same as the full description in the CMS dataset.
Parent Code
Specific developmental disorders of scholastic skills

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF80-F89Pervasive and specific developmental disorders
CategoryF81Specific developmental disorders of scholastic skills
This CodeF81.0Specific reading disorder

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Basic learning problem
  • Basic learning problem in reading
  • Developmental dyslexia
  • Developmental reading disorder
  • Difficulty reading
  • Dyslexia
  • Finding related to ability to read
  • Specific reading disorder

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • 'Backward reading'
  • Developmental dyslexia
  • Specific learning disorder, with impairment in reading
  • Specific reading retardation

Type 1 Excludes

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Alexia
      • developmental
    • Backward reading(dyslexia)
    • Blindness(acquired) (congenital) (both eyes)
      • word (developmental)
    • Delay, delayed
      • development
        • reading
    • Development
      • delayed
        • reading
    • Difficult, difficulty(in)
      • reading (developmental)
    • Disorder(of)
      • developmental
        • learning
          • reading
    • Disorder(of)
      • developmental
        • reading
    • Disorder(of)
      • learning (specific)
        • reading
    • Disorder(of)
      • learning (specific)
        • specified
          • with impairment in
            • reading
    • Disorder(of)
      • reading
        • developmental (specific)
    • Disorder(of)
      • specific
        • reading
    • Dyslexia
      • developmental
    • Mirror writing
    • Retardation
      • reading (specific)
    • Strephosymbolia
    • Word
      • blindness (congenital) (developmental)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD014
Neurodevelopmental disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Dyslexia

    a cognitive disorder characterized by an impaired ability to comprehend written and printed words or phrases despite intact vision. this condition may be developmental or acquired. developmental dyslexia is marked by reading achievement that falls substantially below that expected given the individual's chronological age, measured intelligence, and age-appropriate education. the disturbance in reading significantly interferes with academic achievement or with activities of daily living that require reading skills. (from dsm-iv)
  • Dyslexia, Acquired

    a receptive visual aphasia characterized by the loss of a previously possessed ability to comprehend the meaning or significance of handwritten words, despite intact vision. this condition may be associated with posterior cerebral artery infarction (infarction, posterior cerebral artery) and other brain diseases.
  • Dyslexia

    a learning disorder characterized by an impairment in processing written words. reading difficulties can include distortions, omissions or substitutions of characters. oral and silent reading difficulties can include faulty and slow comprehension.

Patient EducationClinical

Learning Disabilities

Learning disabilities are conditions that affect the ability to learn. They can cause problems with:

The full article covers:

  • What is a learning disability?
  • What causes learning disabilities?
  • How are learning disabilities diagnosed?
  • What are the treatments for learning disabilities?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F81.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
315.00 Reading disorder NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
315.02 Developmental dyslexia
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F81.0Overview

Is F81.0 (Specific developmental disorders of scholastic skills) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report specific reading disorder on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of F81.0?

Under the General Equivalence Mappings, specific reading disorder converts to ICD-9-CM 315.00 (reading disorder NOS) and 315.02 (developmental dyslexia). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.