ICD-10 F81.0
Billable / SpecificSpecific reading disorder
About ICD-10-CM F81.0
ICD-10-CM code F81.0 represents Specific reading disorder. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F81). The 2026 edition of ICD-10-CM F81.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F81.0. Per CMS ICD-10-CM Tabular 2026.
- 'Backward reading'
- Developmental dyslexia
- Specific learning disorder, with impairment in reading
- Specific reading retardation
Type 1 Excludes
Pure excludes, these codes can never be coded together with F81.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- alexia NOS (R48.0)
- dyslexia NOS (R48.0)
Medicare LCD Coverage for F81.0
Local Coverage Determinations (LCDs) from CMS MACs that list F81.0 as a covered diagnosis.
Showing top 10 of 375 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F81.0.
1 Cigna
5 Medicare
1 Aetna
CPT Codes Commonly Billed with F81.0
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 F81.0 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 |
|---|---|---|
| F81.0 | 31500 | 10000 |
| F81.0 | 31502 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F81.0
Other codes in section F80-F89 (Pervasive and specific developmental disorders).
ICD-10 F81.0, Billing FAQ
Is ICD-10 code F81.0 billable? +
Yes, F81.0 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 F81.0? +
ICD-10 F81.0 includes: 'Backward reading'; Developmental dyslexia; Specific learning disorder, with impairment in reading, and 1 more clinical synonyms.
What codes are Type 1 Excludes for F81.0? +
Type 1 Excludes (never code together with F81.0): alexia NOS (R48.0); dyslexia NOS (R48.0)
What CPT codes are commonly billed with F81.0? +
Procedures frequently paired with F81.0 include: 95857, 92512, 92617, 92520, 92630.
What ICD-9 codes does F81.0 map to? +
Per CMS GEMs, F81.0 maps to ICD-9 codes: 31500, 31502. 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 May 31, 2026.
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