Table 2 The total number of patient encounters, the total number of different diagnoses and the most common diagnoses in the outpatient clinics, and the approximate proportions of the top 5 diagnoses in all patient encounters for each department

Emergency Medicine

Total number of patient encounters: 83,754

Total number of different diagnoses: 1335

Percentage of top 5 diagnoses: ~%30

1) Acute upper respiratory infections of multiple and unspecified sites (J06)

2) Malaise and fatigue (R53)

3) Abdominal and pelvic pain (R10)

4) Other and unspecified soft tissue disorders, not elsewhere classified (M79)

5) Pain, unspecified (R52)

Family Medicine

Total number of patient encounters: 40,778

Total number of different diagnoses: 1453

Percentage of top 5 diagnoses: ~%30

1) Encounter for general examination without complaint, suspected or reported diagnosis (Z00)

2) Acute upper respiratory infections of multiple and unspecified sites (J06)

3) Essential (primary) hypertension (I10)

4) Unspecified diabetes mellitus (E14)

5) Vitamin D deficiency (E55)

Child and Adolescent Psychiatry

Total number of patient encounters: 21,715

Total number of different diagnoses: 246

Percentage of top 5 diagnoses: ~%85

1) Hyperkinetic disorders (F90)

2) Other anxiety disorders (F41)

3) Reaction to severe stress, and adjustment disorders (F43)

4) Pervasive developmental disorders (F84)

5) General psychiatric examination, not elsewhere classified (Z00.4)

Paediatrics

Total number of patient encounters: 39,677

Total number of different diagnoses: 1113

Percentage of top 5 diagnoses: ~%70

1) Routine child health examination (Z00.1)

2) Acute upper respiratory infections of multiple and unspecified sites (J06)

3) Cough (R05)

4) Vitamin D deficiency (E55)

5) Abdominal and pelvic pain (R10)

Dermatology

Total number of patient encounters: 29,751

Total number of different diagnoses: 955

Percentage of top 5 diagnoses: ~%45

1) Other and unspecified dermatitis (L30)

2) Acne (L70)

3) Dermatophytosis (B35)

4) Other epidermal thickening (L85)

5) Psoriasis (L40)

Infectious Diseases

Total number of patient encounters: 9159

Total number of different diagnoses: 727

Percentage of top 5 diagnoses: ~%50

1) Encounter for general examination without complaint, suspected or reported diagnosis (Z00)

2) Chronic viral hepatitis (B18)

3) Fever of other and unknown origin (R50)

4) Urinary tract infection, site not specified (N39.0)

5) Osteomyelitis (M86)

Physical Medicine and Rehabilitation

Total number of patient encounters: 23,535

Total number of different diagnoses: 1385

Percentage of top 5 diagnoses: ~%35

1) Other intervertebral disc disorders (M51)

2) Shoulder lesions (M75)

3) Other joint disorders, not elsewhere classified (M25)

4) Osteoarthritis of knee (M17)

5) Cervical disc disorders (M50)

Chest Diseases

Total number of patient encounters: 76,927

Total number of different diagnoses: 1686

Percentage of top 5 diagnoses: ~%35

1) Other chronic obstructive pulmonary disease (J44)

2) Pneumonia, organism unspecified (J18)

3) Abnormalities of breathing (R06)

4) Cough (R05)

5) Asthma (J45)

Internal Medicine (Internal Diseases)

Total number of patient encounters: 34,677

Total number of different diagnoses: 1125

Percentage of top 5 diagnoses: ~%45

1) Other specified diabetes mellitus (E13)

2) Iron deficiency anemia (D50)

3) Essential (primary) hypertension (I10)

4) Vitamin D deficiency (E55)

5) Vitamin B12 deficiency anemia (D51)

Cardiology

Total number of patient encounters: 70,467

Total number of different diagnoses: 924

Percentage of top 5 diagnoses: ~%70

1) Essential (primary) hypertension (I10)

2) Chronic ischemic heart disease (I25)

3) Atrial fibrillation and flutter (I28)

4) Disorders of lipoprotein metabolism and other lipidemias (E78)

5) Abnormalities of heart beat (R00)

Neurology

Total number of patient encounters: 24,078

Total number of different diagnoses: 978

Percentage of top 5 diagnoses: ~%40

1) Headache (R51)

2) Other polyneuropathies (G62)

3) Parkinson’s disease (G20)

4) Epilepsy (G40)

5) Depressive episode (F32)

Psychiatry

Total number of patient encounters: 49,483

Total number of different diagnoses: 744

Percentage of top 5 diagnoses: ~%70

1) Depressive episode (F32)

2) Other anxiety disorders (F41)

3) Bipolar affective disorder (F31)

4) Schizophrenia (F20)

5) Hyperkinetic disorders (F90)

Sports Medicine

Total number of patient encounters: 4211

Total number of different diagnoses: 272

Percentage of top 5 diagnoses: ~%70

1) Paint in joint (M25)

2) Encounter for examination for participation in sport (Z02.5)

3) Internal derangement of knee (M23)

4) Muscle Strain (M62.6)

5) Dislocation and sprain of joints and ligaments at ankle, foot and toe level (S93)

Surgery

Neurosurgery

Total number of patient encounters: 13,367

Total number of different diagnoses: 596

Percentage of top 5 diagnoses: ~%70

1) Nerve root and plexus compressions in diseases classified elsewhere (G55)

2) Headache (R51)

3) Cervical disc disorders (M50)

4) Malignant neoplasm of brain (C71)

5) Benign neoplasm of meninges (D32)

Paediatric Surgery

Total number of patient encounters: 5998

Total number of different diagnoses: 538

Percentage of top 5 diagnoses: ~%40

1) Undescended and ectopic testicle (Q53)

2) Redundant prepuce, phimosis and paraphimosis (N47)

3) Hypospadias (Q54)

4) Inguinal hernia (K40)

5) Pilonidal cyst (L05)

General Surgery

Total number of patient encounters: 40,764

Total number of different diagnoses: 1145

Percentage of top 5 diagnoses: ~%50

1) Unspecified lump in breast (N63)

2) Abdominal and pelvic pain (R10)

3) Other nontoxic goitre (E04)

4) Other diseases of intestine (K63)

5) Other specified diabetes mellitus (E13)

Thoracic Surgery

Total number of patient encounters: 6726

Total number of different diagnoses: 533

Percentage of top 5 diagnoses: ~%55

1) Abnormalities of breathing (R06)

2) Malignant neoplasm of bronchia and lung (C34)

3) Other chest pain (R07.3)

4) Abnormal findings on diagnostic imaging of lung (R91)

5) Gastritis and duodenitis (K29)

Ophthalmology

Total number of patient encounters: 57,719

Total number of different diagnoses: 360

Percentage of top 5 diagnoses: ~%95

1) Disorders of refraction and accommodation (H52)

2) Other retinal disorders (H35)

3) Glaucoma (H40)

4) Disorders of lacrimal system (H04)

5) Iridocyclitis (H20)

Gynaecology and Obstetrics

Total number of patient encounters: 55,847

Total number of different diagnoses: 522

Percentage of top 5 diagnoses: ~%85

1) Pregnant state (Z33)

2) Pain and other conditions associated with female genital organs and menstrual cycle (N94)

3) Excessive, frequent and irregular menstruation (N92)

4) Menopausal and other perimenopausal disorders (N95)

5) Vitamin D deficiency (E55)

Cardiovascular Surgery

Total number of patient encounters: 26,358

Total number of different diagnoses: 524

Percentage of top 5 diagnoses: ~%75

1) Chronic ischemic heart disease (I25)

2) Other disorders of veins (I87)

3) Presence of cardiac and vascular implants and grafts (Z95)

4) Essential (primary) hypertension (I10)

5) Other peripheral vascular diseases (I73)

Ear, Nose, and Throat Diseases

Total number of patient encounters: 29,912

Total number of different diagnoses: 824

Percentage of top 5 diagnoses: ~%45

1) Other and unspecified hearing loss (H91)

2) Vasomotor and allergic rhinitis (J30)

3) Other and unspecified disorders of nose and nasal sinuses (J34)

4) Chronic diseases of tonsils and adenoids (J35)

5) Otitis media, unspecified (H66.9)

Orthopaedics and Traumatology

Total number of patient encounters: 27,566

Total number of different diagnoses: 1653

Percentage of top 5 diagnoses: ~%35

1) Pain in joint (M25.5)

2) Dislocation, sprain and strain of joints and ligaments of knee (S83)

3) Osteoarthritis of knee (M17)

4) Scoliosis (M41)

5) Fracture of forearm (S52)

Plastic Surgery

Total number of patient encounters: 7577

Total number of different diagnoses: 501

Percentage of top 5 diagnoses: ~%65

1) Granulomatous disorders of skin and subcutaneous tissue (L92)

2) Localized swelling, mass and lump of skin and subcutaneous tissue (R22)

3) Other and unspecified disorders of nose and nasal sinuses (J34)

4) Other disorders of breast (N64)

5) Other and unspecified malignant neoplasm of skin (C44)

Urology

Total number of patient encounters: 16,247

Total number of different diagnoses: 384

Percentage of top 5 diagnoses: ~%85

1) Other disorders of urinary system (N39)

2) Benign prostatic hyperplasia (N40)

3) Neuromuscular dysfunction of bladder, not elsewhere classified (N31)

4) Calculus of kidney and ureter (N20)

5) Cyst of kidney, acquired (N28.1)