InnovaRx Innova Health Strategies
Pricing Sign in

F81.2

Mathematics disorder

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
F81.2code
Excludes1
Excludes2
  • arithmetical difficulties associated with a reading disorder (F81.0)F81.0F81.0
  • arithmetical difficulties associated with a spelling disorder (F81.81)F81.81F81.81
  • arithmetical difficulties due to inadequate teaching (Z55.8)Z55.8Z55.8
F01-F99chapter
Excludes2
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 5
F81.2code
Inclusion terms
  • Developmental acalculia
  • Developmental arithmetical disorder
  • Developmental Gerstmann's syndrome
  • Specific learning disorder, with impairment in mathematics
F01-F99chapter
Includes
  • disorders of psychological development
Index entries leading here 5
  • Acalculia R48.8
  • Disorder (of) — see also Disease
    • specific
    • developmental F89
    • learning (specific) F81.9
      • mathematics F81.2
      • specified
        • with impairment in
  • Development
  • Gerstmann's syndrome R48.8
  • Dyscalculia R48.8
Alongside this code 3 same parent — F81
F81.0 Specific reading disorder F81.8 Other developmental disorders of scholastic skills category F81.9 Developmental disorder of scholastic skills, unspecified
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
F81
Block
F80-F89
Siblings
3

Present FY2024–FY2027.