ICD-10 F80.1
Billable / SpecificExpressive language disorder
About ICD-10-CM F80.1
ICD-10-CM code F80.1 represents Expressive language disorder. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F80). The 2026 edition of ICD-10-CM F80.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F80.1. Per CMS ICD-10-CM Tabular 2026.
- Developmental dysphasia or aphasia, expressive type
Type 1 Excludes
Pure excludes, these codes can never be coded together with F80.1. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- mixed receptive-expressive language disorder (F80.2)
- dysphasia and aphasia NOS (R47.-)
Type 2 Excludes
Not included here, the excluded code is not part of F80.1, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- acquired aphasia with epilepsy [Landau-Kleffner] (G40.80-)
- selective mutism (F94.0)
- intellectual disabilities (F70-F79)
- pervasive developmental disorders (F84.-)
Medicare LCD Coverage for F80.1
Local Coverage Determinations (LCDs) from CMS MACs that list F80.1 as a covered diagnosis.
Showing top 10 of 403 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F80.1.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F80.1
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 F80.1 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 |
|---|---|---|
| F80.1 | 31531 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F80.1
Other codes in section F80-F89 (Pervasive and specific developmental disorders).
ICD-10 F80.1, Billing FAQ
Is ICD-10 code F80.1 billable? +
Yes, F80.1 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 F80.1? +
ICD-10 F80.1 includes: Developmental dysphasia or aphasia, expressive type.
What codes are Type 1 Excludes for F80.1? +
Type 1 Excludes (never code together with F80.1): mixed receptive-expressive language disorder (F80.2); dysphasia and aphasia NOS (R47.-)
What codes are Type 2 Excludes for F80.1? +
Type 2 Excludes (may be coded together when both conditions exist): acquired aphasia with epilepsy [Landau-Kleffner] (G40.80-); selective mutism (F94.0); intellectual disabilities (F70-F79)
What CPT codes are commonly billed with F80.1? +
Procedures frequently paired with F80.1 include: 95857, 92512, 92617, 92520, 92630.
What ICD-9 codes does F80.1 map to? +
Per CMS GEMs, F80.1 maps to ICD-9 codes: 31531. 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 July 16, 2026.
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