ICD chapter headings of primary diagnosis: January 2008–June 2013 (N=2106)
| ICD chapter heading | n | % |
| Mental and behavioural disorders | 660 | 31.3 |
| Injury, poisoning and other externalities | 473 | 22.4 |
| Pregnancy, childbirth and puerperium | 233 | 11.1 |
| Disease of skin and subcutaneous tissue | 75 | 3.6 |
| Symptoms, unclassified | 157 | 7.4 |
| Diseases of the respiratory system | 86 | 4.1 |
| Factors influencing health status | 62 | 2.9 |
| Diseases of the digestive system | 64 | 3.0 |
| Diseases of the nervous system | 79 | 3.7 |
| Diseases of musculoskeletal system and connective tissue | 50 | 2.4 |
| Diseases of the circulatory system | 36 | 1.7 |
| Diseases of the genitourinary system | 38 | 1.8 |
| Infectious and parasitic disease | 35 | 1.7 |
| Endocrine, nutritional and metabolic disease | 23 | 1.1 |
| Neoplasms | 29 | 1.4 |
| Diseases of the eye, adnexa, ear and mastoid | 6 | 0.3 |
ICD, International Classification of Diseases.