F81.0 vs F81.2
F81.0 (Specific reading disorder) compared with F81.2 (Mathematics disorder), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. F81.2 carries an Excludes2 note covering F81.0: “arithmetical difficulties associated with a reading disorder (F81.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F81.0Specific reading disorder | F81.2Mathematics disorder | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Specific reading disorder is a billable ICD-10-CM diagnosis code (F81.0). | Mathematics disorder is a billable ICD-10-CM diagnosis code (F81.2). |
| Includes | 'Backward reading' Developmental dyslexia Specific learning disorder, with impairment in reading Specific reading retardation | Developmental acalculia Developmental arithmetical disorder Developmental Gerstmann's syndrome Specific learning disorder, with impairment in mathematics |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources