F80.0

Billable

ChapterF01–F99

Ranksubcategory

Official Description

Phonological disorder

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

Instructional Notes

Includes

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

Excludes1(Not coded here)

speech articulation impairment due to aphasia NOS (R47.01)
speech articulation impairment due to apraxia (R48.2)

Excludes2(Not included here)

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)

General instructions are available for the parent sections:

View CH5 Notes

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

F80-F89Pervasive and specific developmental disorders (F80-F89)

F80Specific developmental disorders of speech and language

F80.0Phonological disorder

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F80.0:

chapterCH5

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F80.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

Disorder (of)4 unique routes

developmental(2 variants)

articulation (functional) (specific)→F80.0

speech-sound→F80.0

Dyslalia (developmental)1 unique routes

Direct index entry→F80.0

Idioglossia1 unique routes