F80.0

Phonological disorder

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · F80.0
Excludes 1

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

Excludes 2

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)

Synonyms

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

Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders
Includes

disorders of psychological development

Excludes 2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Official Guidelines for F80.0

FY 2026 ›