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retardation (F70-F79)
- F80.3 Acquired aphasia with epilepsy [Landau-Kleffner]
- Excludes1: aphasia NOS (R47.01)
- Excludes2: pervasive developmental disorders (F84.-)
- F80.4 Speech and language development delay due to hearing loss
- Code also type of hearing loss (H90.-, H91.-)
- F80.8 Other developmental disorders of speech or language
- F80.9 Developmental disorder of speech or language, unspecified
- Communication disorder NOS
- Language disorder NOS
F81 Specific developmental disorders of scholastic skills
- F81.0 Specific reading disorder
- "Backward reading"
- Developmental dyslexia
- Specific reading retardation
- Excludes1: alexia NOS (R48.0)
- dyslexia NOS (R48.0)
- F81.2 Mathematics disorder
- Developmental acalculia
- Developmental arithmetical disorder
- Developmental Gerstmann's syndrome
- Excludes1: acalculia NOS (R48.8)
- Excludes2: arithmetical difficulties associated with a reading disorder (F81.0)
- arithmetical difficulties associated with a spelling disorder (F81.81)
- arithmetical difficulties due to inadequate teaching (Z55.8)
- F81.8 Other developmental disorders of scholastic skills
- F81.81 Disorder of written expression
- Specific spelling disorder
- F81.89 Other developmental disorders of scholastic skills
- F81.81 Disorder of written expression
- F81.9 Developmental disorder of scholastic skills, unspecified
- Knowledge acquisition disability NOS
- Learning disability NOS
- Learning disorder NOS
F82 Specific developmental disorder of motor function
- Includes: clumsy child syndrome
- developmental coordination disorder
- developmental dyspraxia
- Excludes1: abnormalities of gait and mobility (R26.-)
- lack of coordination (R27.-)
- Excludes2: lack of coordination secondary to mental retardation (F70-F79)
F84 Pervasive developmental disorders
- Use
