F81.2 Mathematics disorder
The ICD-10-CM code for Mathematics disorder is F81.2 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- F80-F89: Pervasive and specific developmental disorders (F80-F89)
- Category F81
- 7 codes (5 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to F81.2:
- Dyscalculia › developmental
- Gerstmann's syndrome › developmental
- Acalculia › developmental
- Development › delayed › arithmetical skills
- Disorder (of) › specific › arithmetical
- Disorder (of) › developmental › arithmetical skills
- Disorder (of) › learning (specific) › mathematics
- Disorder (of) › developmental › learning › arithmetical
Inclusion Terms
- Developmental acalculia
- Developmental arithmetical disorder
- Developmental Gerstmann's syndrome
- Specific learning disorder, with impairment in mathematics
U.S. Hospital Utilization
- An estimated 540 U.S. inpatient stays in 2023 included F81.2 among the documented diagnoses.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Pain disorders related to psychological factors (TOC entry)a. Pain disorders related to psychological factors ..................................................................... 43
Psychoactive substance use disorders (TOC entry)b. Mental and behavioral disorders due to psychoactive substance use ................................... 43
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026