F81.2
F81.2: Mathematics disorder
Billable / specific codeICD-10-CM
F81.2 is a billable, specific ICD-10-CM code for mathematics disorder. It is valid for submission on a claim.
Check F81.2 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- acalculia NOS (R48.8)
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Developmental acalculia
- Developmental arithmetical disorder
- Developmental Gerstmann's syndrome
- Specific learning disorder, with impairment in mathematics
Other codes that can never be billed with F81.2
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R48Dyslexia and other symbolic dysfunctions, not elsewhere classified
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
F81.2 is named in 15 Medicare coverage policies: 13 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
- A52866Billing and Coding: Speech-Language Pathology
- A53064Billing and Coding: Outpatient Occupational Therapy
Alphabetic index entries that lead here
- Acalculia›developmental
- Dyscalculia›developmental
- Gerstmann's syndrome›developmental
- Development›delayed›arithmetical skills
- Disorder›developmental›arithmetical skills
- Disorder›learning›mathematics
- Disorder›specific›arithmetical
- Disorder›developmental›learning›arithmetical
- Disorder›learning›specified›with impairment in›mathematics
Code history
Unchanged in every release from FY2024 to FY2027.