Table 1.
ICD codes used to define neurodevelopmental and psychiatric disorders [34]
| Diagnoses | ICD-10 codes, > 2001 | Equivalent ICD-9 codes, 1987‑2001 | Equivalent ICD-8 codes, < 1987 |
|---|---|---|---|
| Any neurodevelopmental disorders/psychiatric disorders | F10-F99 | 290–319 | 290–315 |
| Mental and behavioral disorders due to psychoactive substance use | F10-F19 | 291, 303, 304 | 291, 303, 304, 305A, 305X |
| Schizophrenia and related disorders (including schizophrenia schizoaffective disorder) | F20-29 | 295, 297, 298 | 295, 297–299 |
| Mood disorders (including bipolar, single, and recurrent depressive disorder) | F30-39 | 296, 300E, 311 | 296, 300.40 |
| Suicide attempts | X60-X84 | E950-E959 | E950-E959 |
| Anxiety disorders (including dissociative, stress-related and somatoform disorders) | F40-48 | 300, 300A-300D, 300F–300X, 308-309 | 300.00–300.30,300.50–300.99, 307 |
| Eating disorders | F50 | 307B, 307F | - |
| Disorders of adult personality and behavior | F60-F62, F69 | 301 | 301 |
| Mental retardation (ID) | F70-F79 | 317–319 | 310–315 |
| Pervasive developmental disorders (ASD) | F84 | 299A | - |
| Hyperkinetic disorders (ADHD) | F90 | 314 | - |
| Behavioral and emotional disorders with onset in childhood | F91-98 | 312–313 | - |
ID intellectual disability, ASD autism spectrum disorder, ADHD attention deficit hyperactivity disorder