Table 1 ICD-10 variables included to determine modified frailty index following the three rounds of Delphi consensus survey
From: Defining ICD-10 surrogate variables to estimate the modified frailty index: a Delphi-based approach
Variable 1: “Functional status (not independent)” | 1. H54 – Blindness and low vision |
2. R26.0- R26.9 – Gait problems | |
3. R27.0 -R27.9 – Lack of coordination | |
4. R41 – Sarcopenia | |
5. R41.81 – age-related cognitive decline | |
6. R54 – age-related physical disability | |
7. S72 – fracture of femur | |
8. Z73 – Life management difficulty | |
9. Z74.1 – Need for assistance | |
10. Z73.6 – Activities of daily living dysfunction | |
11. Z74 – Care-provider dependency | |
Variable 2: “History of hypertension requiring medication” | 12. I10 – Essential hypertension |
13. I11 – Hypertensive heart disease | |
14. I12 – Hypertensive kidney disease | |
15. I13 – Hypertensive heart and kidney disease | |
16. I15 – Secondary hypertension | |
Variable 3: “History of chronic obstructive pulmonary disease or pneumonia” | 17. J12 – viral pneumonia |
18. J13 – pneumonia due to streptococcal pneumoniae | |
19. J14 – pneumonia due to Haemophilus influenzae | |
20. J15 – Bacterial pneumonia, not elsewhere classified | |
21. J16 – Pneumonia due to other infectious organisms | |
22. J17 – Pneumonia in diseases classified elsewhere | |
23. J18 – Pneumonia, organism unspecified | |
24. J43 – Emphysema | |
25. J44 – Chronic obstructive pulmonary disease | |
Variable 4: “History of impaired sensorium” | 26. A81.0 – Creuksfeld Jacob Disease |
27. F00-F03 – Delirium superimposed with dementia | |
28. F01 – Vascular Dementia | |
29. F04 – Organic Amnesia Syndrome | |
30. F05 – Delirium | |
31. F06 – Memory disturbance | |
32. F10 – Amnesia related to Alcohol | |
33. F11-F19 – Amnesia related to psychoactive agents | |
34. G20 - Parkinson’s disease | |
35. G30 – Alzheimer’s Dementia | |
36. H35 – Macular degeneration | |
Variable 5: “History of diabetes mellitus” | 37. E10 - Type 1 diabetes mellitus |
38. E11 - Type 2 diabetes mellitus | |
39. E13 – Other specified diabetes mellitus | |
40. E14 - Unspecified diabetes mellitus | |
Variable 6: “History of myocardial infarction” | 41. I21 – Acute myocardial infarction |
42. I22 – Subsequent myocardial infarction | |
43. I25 – Chronic ischaemic heart disease | |
Variable 7: “History of congestive heart failure” | 44. I50 – Heart failure |
45. U80.2 – Chronic heart failure | |
Variable 8: “History of stroke with neurologic deficit” | 46. I61 – Intracerebral haemorrhage |
47. I63 – Cerebral infarction | |
48. I69 – Sequelae of cerebrovascular disease | |
Variable 9: “History of TIA or stroke without neurological deficit” | 49. G45 – Transient cerebral ischaemic attacks and related syndromes |
Variable 10: “History of PCI, angina or stenting” | 50. I20 – Angina pectoris |
Variable 11: “History of Peripheral vascular disease or ischaemic rest pain” | 51. I70.2 - Atherosclerosis of arteries of extremities |
52. I73 - Peripheral vascular disease | |
53. I77.9 - Peripheral arterial insufficiency | |
54. I77.1 - Obliterative peripheral arteries |