2026 ICD-10-CM Diagnosis Code F80.9Developmental disorder of speech and language, unspecified

ICD-10-CM CodesF01–F99F80-F89F80

ICD-10-CM F80.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F80.9 is a billable ICD-10-CM diagnosis code for developmental disorder of speech and language, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neurodevelopmental disorders.

Code Identity

ICD-10-CM Code
F80.9
Billable Status
Yes — Valid for Submission
Code Describes
Developmental disorder of speech and language, unspecified
Short Description
Developmental disorder of speech and language, unspecified
Same as the full description in the CMS dataset.
Parent Code
Specific developmental disorders of speech and language

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF80-F89Pervasive and specific developmental disorders
CategoryF80Specific developmental disorders of speech and language
This CodeF80.9Developmental disorder of speech and language, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acoustic analysis deficit
  • Acquired language disorder
  • Altered growth and development: communication skills
  • Basic learning problem
  • Basic learning problem in language
  • Basic learning problem in speaking
  • CHD3-related developmental delay, speech delay, intellectual disability, abnormalities of vision, facial dysmorphism syndrome
  • Communication disorder
  • Conversational disorder
  • Delayed articulatory and language development
  • Developmental and speech delay due to SOX5 deficiency
  • Developmental dysphasia
  • Developmental language comprehension impairment
  • Developmental language disorder
  • Developmental language disorder and language impairment
  • Developmental receptive language disorder
  • Developmental speech disorder
  • Difficulty reasoning
  • Difficulty using verbal communication
  • Difficulty using verbal reasoning
  • Discourse disorder
  • Disorder of language
  • Disorder of speech and language development
  • Familial developmental dysphasia
  • Finding related to ability to use verbal reasoning
  • Hao Fountain syndrome
  • Hypotonia, speech impairment, severe cognitive delay syndrome
  • Intellectual disability, severe speech delay, mild dysmorphism syndrome
  • Lamb Shaffer syndrome
  • Language disorder associated with right hemisphere damage
  • Language disorder associated with thought disorder
  • Language disorder of dementia
  • Lexical syntactic disorder
  • Limited sound system
  • Mehes syndrome
  • Naming errors
  • Non-contrastive sound system
  • Non-organic communication disorder
  • Non-organic communication disorder in remission
  • Pervasive developmental disorder with cognitive developmental delay and marked impairment of functional language
  • Restricted sound system
  • Semantic impairment
  • Semantic-pragmatic disorder
  • Semantic-pragmatic impairment
  • Severe intellectual disability, poor language, strabismus, grimacing face, long fingers syndrome
  • Sociolinguistic disorder
  • Spastic paraparesis, cataracts, speech delay syndrome
  • Specific language impairment
  • Speech and language disorder
  • Speech and language dyspraxias
  • Speech and phonology impairments
  • Speech delay
  • TRAF7-associated heart defect, digital anomalies, facial dysmorphism, motor and speech delay syndrome
  • Unable to reason
  • Unable to use verbal reasoning

Tabular List NotesGuidance

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

Inclusion Terms

  • Communication disorder NOS
  • Language disorder NOS

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.

    • Defect, defective
      • speech
        • developmental
    • Delay, delayed
      • development
        • language
    • Delay, delayed
      • development
        • speech
    • Development
      • delayed
        • speech
    • Disorder(of)
      • communication
    • Disorder(of)
      • developmental
        • language
    • Disorder(of)
      • developmental
        • speech
    • Disorder(of)
      • language (developmental)
    • Disorder(of)
      • specific
        • speech and language
    • Disorder(of)
      • speech
        • developmental
    • Disturbance(s)
      • speech
        • developmental
    • Problem(with) (related to)
      • communication (developmental)
    • Problem(with) (related to)
      • language (developmental)
    • Problem(with) (related to)
      • speech
        • developmental

Clinical ClassificationClinical

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

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

Patient EducationClinical

Speech and Communication Disorders

Many disorders can affect our ability to speak and communicate. They range from saying sounds incorrectly to being completely unable to speak or understand speech. Causes include:

Read the full article at MedlinePlus

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

Convert F80.9 to ICD-9-CMHistory

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

ICD-9-CM
315.39 Speech/language dis NEC
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 F80.9Overview

Is F80.9 (Specific developmental disorders of speech and language) a billable code?

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

What is the ICD-9 equivalent of F80.9?

Under the General Equivalence Mappings, developmental disorder of speech and language, unspecified converts to ICD-9-CM 315.39 (speech/language dis NEC). 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.