F80.0 Phonological disorder

✓ Billable ICD-10-CM 2026
Open F80.0 in Web App →

The ICD-10-CM code for Phonological disorder is F80.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
F80-F89: Pervasive and specific developmental disorders (F80-F89)
Category F80
10 codes (8 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F80.0:

  • Lisping
  • Idioglossia
  • Lalling
  • Dyslalia (developmental)
  • Disorder (of) › speech-sound
  • Disorder (of) › speech › articulation (functional) (specific)
  • Disorder (of) › developmental › phonological
  • Disorder (of) › developmental › speech › articulation
Excludes1
Not coded here. These conditions should NOT be coded together with F80.0.
  • speech articulation impairment due to aphasia NOS (R47.01)
  • speech articulation impairment due to apraxia (R48.2)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • speech articulation impairment due to hearing loss (F80.4)
  • speech articulation impairment due to intellectual disabilities (F70-F79)
  • speech articulation impairment with expressive language developmental disorder (F80.1)
  • speech articulation impairment with mixed receptive expressive language developmental disorder (F80.2)

Inclusion Terms

  • Dyslalia
  • Functional speech articulation disorder
  • Lalling
  • Lisping
  • Phonological developmental disorder
  • Speech articulation developmental disorder
  • Speech-sound disorder

U.S. Hospital Utilization

  • An estimated 1,045 U.S. inpatient stays in 2023 included F80.0 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.a
Psychoactive substance use disorders (TOC entry)

b. Mental and behavioral disorders due to psychoactive substance use ................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

F80 Specific developmental disorders of speech and language

Related Codes in F80

F80 Specific developmental disorders of speech and language F80.1 Expressive language disorder F80.2 Mixed receptive-expressive language disorder F80.4 Speech and language development delay due to hearing loss F80.8 Other developmental disorders of speech and language F80.81 Childhood onset fluency disorder F80.82 Social pragmatic communication disorder F80.89 Other developmental disorders of speech and language F80.9 Developmental disorder of speech and language, unspecified
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial