Table 3 ICD-10 diagnostic categories with examples
ICD-10 Code | Example | Primary diagnosis n (%) | Secondary diagnosis n (%) | Total Prevalence |
|---|---|---|---|---|
I Certain infectious and parasitic diseases | HIV, tuberculosis, hepatitis B, hepatitis C, sepsis, meningitis | 54 (4.8) | 16 (1.4) | 70 (6.2) |
I Neoplasms | Cancer: lung, hepatocellular, GIST, renal cell, cervical | 30 (2.6) | 8 (0.7) | 38 (3.3) |
III Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | Vaso-occlusive crisis, sickle cell, anaemia, pancytopenia, myelodysplastic syndrome | 12 (1.1) | 5 (0.4) | 17 (1.5) |
IV Endocrine, nutritional and metabolic diseases | Diabetic ketoacidosis, hyperglycaemic hyperosmolar state, hypokalaemia, SIADH, hyperglycaemia, hypoglycaemia, Wernicke’s encephalopathy, re-feeding syndrome | 39 (3.4) | 45 (4.0) | 84 (7.4) |
V Mental and behavioural disorders | Overdose, suicidal ideation, alcohol withdrawal, intoxication, self-harm, hallucinations, depression, bipolar, psychosis, schizophrenia | 210 (18.5) | 111 (9.8) | 321 (28.3) |
VI Diseases of the nervous system | Encephalitis, seizure, status epilepticus, multiple sclerosis | 74 (6.5) | 5 (0.4) | 79 (6.9) |
VII Diseases of the eye and adnexa | Glaucoma, visual disturbance, blindness, cataracts | 0 (0) | 0 (0) | 0 (0) |
VIII Diseases of the ear and mastoid process | Otitis media, otitis externa, perforated ear drum, Meniere’s disease | 0 (0) | 0 (0) | 0 (0) |
IX Diseases of the circulatory system | DVT, STEMI, leg ulcers, angina, PE, septic emboli, heart failure, palpitations, stroke, acute limb ischaemia, infective endocarditis, AF, oesophageal varices, amputation, aneurysm | 81 (7.1) | 20 (1.8) | 101 (8.9) |
X Diseases of the respiratory system | Pneumonia, T2RF, IECOPD, aspergilioma, pleural effusion, asthma | 83 (7.3) | 35 (3.1) | 118 (10.4) |
XI Diseases of the digestive system | Pancreatitis, peptic ulcer, gastritis, decompensated ALD, diverticulitis, oesophagitis, cirrhosis, cholecystitis, hernia | 92 (8.1) | 14 (1.2) | 106 (9.3) |
XII Diseases of the skin and subcutaneous tissue | Abscess, cellulitis, dermatitis | 78 (6.9) | 15 (1.3) | 93 (8.2) |
XIII Diseases of the musculoskeletal system and connective tissue | Osteomyelitis, septic arthritis, limb swelling, dislocation, back pain | 45 (4.0) | 15 (1.3) | 60 (5.3) |
XIV Diseases of the genitourinary system | UTI, CKD, Renal failure, urosepsis, pyelonephritis, renal stone | 37 (3.3) | 8 (0.7) | 45 (4.0) |
XV Pregnancy, childbirth and the puerperium | Caesarean, PPH, miscarriage, multiple gestation, obstetricdeath, disorders of pregnancy | 9 (0.8) | 0 (0) | 9 (0.8) |
XVI Certain conditions originating in the perinatal period | Birth trauma, perinatal infections, newborn disorders | 0 (0) | 0 (0) | 0 (0) |
XVII Congenital malformations, deformations and chromosomal abnormalities | Any congenital malformations, microcephaly, spina bifida, transposition of the great vessels, atrial septal defect. | 0 (0) | 1 (0.1) | 1 (0.1) |
XVIII Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified | Unwell, collapse, abdominal pain, acute confusion, loss of consciousness, syncope, vomiting, diarrhoea | 84 (7.4) | 29 (2.6) | 113 (10.0) |
XIX Injury, poisoning and certain other consequences of external causes | Hypothermia, poisoning, head injury, stabbed, fracture, fall | 61 (5.4) | 80 (7.0) | 141 (12.4) |
XX External causes of morbidity and mortality | Road traffic collision, assault, head trauma, dog bite, deliberate self-harm | 89 (7.8) | 123 (10.8) | 212 (18.6) |
XXI Factors influencing health status and contact with health services | Ureteric stent, CABG, double cord transplant, cystoprostectomy, abortion | 20 (1.8) | 57 (5.0) | 77 (6.8) |
XXII Codes for special purposes | New diseases such as Zika virus, antimicrobial resistance | 1 (0.1) | 0 (0) | 1 (0.1) |
Missing Data | Data unavailable | 36 (3.2) | 36 (3.2) | 72 (6.4) |