Table 1.
Disease categories and related medical specialties used to define the individual morbidity status of insured persons examined in step 1
| No. | Disease categories | ICD-10-GM 2015 codes | Related medical specialties* |
| 01 | Hypertensive diseases | I10-I15 | Internal medicine, cardiology |
| 02 | Ischaemic heart diseases | I20-I52 | Internal medicine, cardiology |
| 03 | Metabolic disorders | E70-E90 | Internal medicine |
| 04 | Arthropathies | M00-M25 | Internal medicine, orthopaedics |
| 05 | Diabetes mellitus | E10-E14 | Internal medicine |
| 06 | Dorsopathies | M40-M54 | Orthopaedics |
| 07 | Disorders of thyroid gland | E00-E07 | Internal medicine |
| 08 | Vascular diseases | I70-I89 | Internal medicine, cardiology |
| 09 | Organic, including symptomatic, mental disorders; other degenerative diseases of the nervous system | F00-F09; G30-G32 | Neurology/psychiatry |
| 10 | Diseases of oesophagus, stomach and duodenum; hernia; other diseases of intestines | K20-K31; K40-K46; K55-K64 | Internal medicine |
| 11 | Chronic lower respiratory diseases | J40-J47 | Internal medicine, pulmonology |
| 12 | Mood (affective) disorders | F30-F39 | Neurology/psychiatry |
| 13 | Cerebrovascular diseases | I60-I69 | Internal medicine, neurology/psychiatry |
| 14 | Neurotic, stress-related and somatoform disorders | F40-F48 | Neurology/psychiatry |
| 15 | Other diseases of urinary system; symptoms and signs involving the urinary system | N30-N39; R30-R39 | Gynaecology, urology |
| 16 | Diseases of the eye and adnexa | H00-H59 | Ophthalmology |
| 17 | Renal failure | N17-N19 | Internal medicine, nephrology |
| 18 | Osteopathies and chondropathies | M80-M94 | Orthopaedics |
| 19 | Diseases of the ear and mastoid process | H60-H95 | Otorhinolaryngology |
| 20 | Mononeuropathies; polyneuropathies and other disorders of the peripheral nervous system | G56-G64 | Internal medicine, neurology/psychiatry |
| 21 | Diseases of male genital organs | N40-N51 | Urology |
| 22 | Melanoma and other malignant neoplasms of skin; dermatitis, eczema | C43-C44; L20-L30 | Dermatology, surgery |
| 23 | Noninflammatory disorders of female genital tract | N80-N98 | Gynaecology |
| 24 | Other disorders of the skin and subcutaneous tissue | L80-L99 | Dermatology |
| 25 | Extrapyramidal and movement disorders | G20-G26 | Internal medicine, neurology/psychiatry |
| 26 | Mental and behavioural disorders due to psychoactive substance use | F10-F19 | Neurology/psychiatry |
| 27 | Cerebral palsy and other paralytic syndromes | G80-G83 | Internal medicine, neurology/psychiatry |
| 28 | Malnutrition; obesity and other hyperalimentation | E40-E46; E65-E68 | Internal medicine |
| 29 | Schizophrenia, schizotypal and delusional disorders; disorders of adult personality and behaviour | F20-F29; F60-F69 | Neurology/psychiatry |
| 30 | Functional impairments | U50-U52 | Internal medicine, Orthopaedics |
| 31 | Injuries | S00-S99; T08-T14 | Orthopaedics, surgery |
*Due to the availability of data, dentistry had to be analysed separately and is therefore not presented.