ICD-10 F80.0
Billable / SpecificPhonological disorder
About ICD-10-CM F80.0
ICD-10-CM code F80.0 represents Phonological disorder. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F80). The 2026 edition of ICD-10-CM F80.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F80.0. Per CMS ICD-10-CM Tabular 2026.
- Dyslalia
- Functional speech articulation disorder
- Lalling
- Lisping
- Phonological developmental disorder
- Speech articulation developmental disorder
- Speech-sound disorder
Type 1 Excludes
Pure excludes, these codes can never be coded together with F80.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- speech articulation impairment due to aphasia NOS (R47.01)
- speech articulation impairment due to apraxia (R48.2)
Type 2 Excludes
Not included here, the excluded code is not part of F80.0, but a patient may have both conditions at the same time. Both codes may be coded together when 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)
Medicare LCD Coverage for F80.0
Local Coverage Determinations (LCDs) from CMS MACs that list F80.0 as a covered diagnosis.
Showing top 10 of 337 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F80.0.
1 Cigna
5 Medicare
5 Aetna
CPT Codes Commonly Billed with F80.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95857 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92512 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92617 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92520 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92630 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92612 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92606 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92618 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 92650 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
- 31579 CMS LCD: Billing and Coding: Outpatient Speech Language Pathology CMS LCD
Convert F80.0 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| F80.0 | 31539 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F80.0
Other codes in section F80-F89 (Pervasive and specific developmental disorders).
ICD-10 F80.0, Billing FAQ
Is ICD-10 code F80.0 billable? +
Yes, F80.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to F80.0? +
ICD-10 F80.0 includes: Dyslalia; Functional speech articulation disorder; Lalling, and 4 more clinical synonyms.
What codes are Type 1 Excludes for F80.0? +
Type 1 Excludes (never code together with F80.0): speech articulation impairment due to aphasia NOS (R47.01); speech articulation impairment due to apraxia (R48.2)
What codes are Type 2 Excludes for F80.0? +
Type 2 Excludes (may be coded together when both conditions exist): 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)
What CPT codes are commonly billed with F80.0? +
Procedures frequently paired with F80.0 include: 95857, 92512, 92617, 92520, 92630.
What ICD-9 codes does F80.0 map to? +
Per CMS GEMs, F80.0 maps to ICD-9 codes: 31539. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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