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Table 2 Study participants’ primary and secondary diagnoses defined by International Classification of Disease – 10 coding system

From: Exploring the reliability and acceptability of cognitive tests for Indigenous Australians: a pilot study

ICD-10 chapter ICD-10 categories Primary code Secondary code
I Certain infectious and parasitic diseases A00-A09 Intestinal infectious diseases 1 1
  B35-B49 Mycoses 1  
  A50-A64 Infections with a predominantly sexual mode of transmission   1
  B15-B19 Viral hepatitis   2
  B65-B83 Helminthiases   1
  B85-B89 Pediculosis, acariasis and other infestations   1
  B95-B98 Bacterial, viral and other infectious agents   10
II Neoplasms C00-C97 Malignant neoplasms 1 1
  D10-D36 Benign neoplasms 1  
III Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism D60-D64 Aplastic and other anaemias   3
  D65-D69 Coagulation defects, purpura and other haemorrhagic conditions   3
IV Endocrine, nutritional and metabolic diseases E00-E07 Disorders of thyroid gland   1
  E10-E14 Diabetes mellitus 1 49
  E20-E35 Disorders of other endocrine glands   1
  E65-E68 Obesity and other hyperalimentation   2
  E70-E90 Metabolic disorders 3 13
V Mental and behavioural disorders F10-F19 Mental and behavioural disorders due to psychoactive substance use   3
VI Diseases of the nervous system G40-G47 Episodic and paroxysmal disorders   1
VII Diseases of the eye and adnexa H00-H06 Disorders of eyelid, lacrimal system and orbit   1
IX Diseases of the circulatory system I00-I02 Acute rheumatic fever 1  
  I05-I09 Chronic rheumatic heart diseases   2
  I10-I15 Hypertensive diseases   15
  I20-I25 Ischaemic heart diseases   1
  I26-I28 Pulmonary heart disease and diseases of pulmonary circulation 1 1
  I30-I52 Other forms of heart disease 5 2
  I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified   2
  I95-I99 Other and unspecified disorders of the circulatory system   3
X Diseases of the respiratory system J09-J18 Influenza and pneumonia 1  
  J20-J22 Other acute lower respiratory infections   1
  J95-J99 Other diseases of the respiratory system   1
  J40-J47 Chronic lower respiratory diseases 1  
XI Diseases of the digestive system K00-K14 Diseases of oral cavity, salivary glands and jaws   1
  K55-K64 Other diseases of intestines 1 1
  K70-K77 Diseases of liver   1
  K80-K87 Disorders of gallbladder, biliary tract and pancreas 1  
  K90-K93 Other diseases of the digestive system 1 1
XII Diseases of the skin and subcutaneous tissue L00-L08 Infections of the skin and subcutaneous tissue 5 3
  L60-L75 Disorders of skin appendages 1  
  L80-L99 Other disorders of the skin and subcutaneous tissue 1  
XIII Diseases of the musculoskeletal system and connective tissue M00-M25 Arthropathies 2 3
  M40-M54 Dorsopathies   3
  M60-M79 Soft tissue disorders 1 3
  M80-M94 Osteopathies and chondropathies 1 2
XIV Diseases of the genitourinary system N00-N08 Glomerular diseases   2
  N10-N16 Renal tubulo-interstitial diseases 1  
  N17-N19 Renal failure 1 21
  N80-N98 Noninflammatory disorders of female genital tract   3
XVIII Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified R00-R09 Symptoms and signs involving the circulatory and respiratory systems   2
  R10-R19 Symptoms and signs involving the digestive system and abdomen 1 5
  R25-R29 Symptoms and signs involving the nervous and musculoskeletal systems   1
  R30-R39 Symptoms and signs involving the urinary system   1
  R50-R69 General symptoms and signs 2 7
  R70-R79 Abnormal findings on examination of blood, without diagnosis   1
  R90-R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis   2
XIX Injury, poisoning and certain other consequences of external causes S70-S79 Injuries to the hip and thigh 2  
  S80-S89 Injuries to the knee and lower leg 1  
  T20-T32 Burns and corrosions 1 1
  T80-T88 Complications of surgical and medical care, not elsewhere classified 3 2
XX External causes of morbidity and mortality V01-X59 Accidents   5
  Y40-Y84 Complications of medical and surgical care   5
XXI Factors influencing health status and contact with health services Z30-Z39 Persons encountering health services in circumstances related to reproduction   1
  Z40-Z54 Persons encountering health services for specific procedures and health care 4  
  Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances 1 1
  Z70-Z76 Persons encountering health services in other circumstances   16
  Z80-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status   19
ZZ Not Listed 5 7
  Total 53 242