Table S1.
Diagnosis codes and intervention codes used for the identification of diabetes-related hospital contacts
| Code | Code category | Code text |
|---|---|---|
| 24900 | ICD8 – disease classification | Insulin-dependent diabetes mellitus, without complications |
| 24901 | ICD8 – disease classification | Cataract, retinopathy in insulin-dependent diabetes |
| 24902 | ICD8 – disease classification | Diabetic nephropathy, Kimmelstiel–Wilson syndrome, insulin-dependent diabetes |
| 24903 | ICD8 – disease classification | Neuropathy, diabetic polyneuritis, insulin-dependent diabetes |
| 24904 | ICD8 – disease classification | Diabetic angiopathy in extremities, insulin-dependent diabetes |
| 24905 | ICD8 – disease classification | Diabetic gangrene, insulin-dependent diabetes |
| 24906 | ICD8 – disease classification | Diabetic coma without ketonuria, insulin-dependent diabetes |
| 24907 | ICD8 – disease classification | Diabetic coma (incl precoma), insulin-dependent diabetes |
| 24908 | ICD8 – disease classification | Insulin-dependent diabetes mellitus, with complications not otherwise specified |
| 24909 | ICD8 – disease classification | Insulin-dependent diabetes mellitus |
| 25000 | ICD8 – disease classification | Insulin independent diabetes mellitus, without complications |
| 25001 | ICD8 – disease classification | Cataract, retinopathy in insulin independent diabetes |
| 25002 | ICD8 – disease classification | Diabetic nephropathy, Kimmelstiel–Wilson syndrome, insulin independent diabetes |
| 25003 | ICD8 – disease classification | Neuropathy, diabetic polyneuritis, insulin independent diabetes |
| 25004 | ICD8 – disease classification | Diabetic angiopathy in extremities, insulin independent diabetes |
| 25005 | ICD8 – disease classification | Diabetic gangrene, insulin independent diabetes |
| 25006 | ICD8 – disease classification | Diabetic coma without ketonuria, insulin independent diabetes |
| 25007 | ICD8 – disease classification | Diabetic coma (incl precoma), insulin independent diabetes |
| 25008 | ICD8 – disease classification | Insulin independent diabetes mellitus, with complications not otherwise specified |
| 25009 | ICD8 – disease classification | Insulin independent diabetes mellitus |
| BBHA | National Intervention Classification | Peroral diabetes treatment |
| BBHA0 | National Intervention Classification | Treatment with peroral antidiabetic agents |
| BBHA00 | National Intervention Classification | Treatment with agents stimulating insulin production |
| BBHA01 | National Intervention Classification | Treatment with glucose-lowering antidiabetic agents |
| BBHF0 | National Intervention Classification | Insulin treatment |
| BBHF00 | National Intervention Classification | Insulin treatment, mono- or dual therapy |
| BBHF01 | National Intervention Classification | Insulin treatment, basal and bolus therapy |
| BBHF02 | National Intervention Classification | Insulin pump treatment |
| BBKB | National Intervention Classification | Instruction in injecting insulin |
| BUBE0 | National Intervention Classification | Diabetes diet |
| BUBE00 | National Intervention Classification | Diabetes diet, type 1 diabetes |
| BUBE01 | National Intervention Classification | Diabetes diet, type 2 diabetes |
| BUFA | National Intervention Classification | Dietary instruction in relation to diabetes |
| BUFA0 | National Intervention Classification | Dietary instruction in relation to type 1 diabetes |
| BUFA00 | National Intervention Classification | Initial dietary instruction in relation to type 1 diabetes |
| BUFA01 | National Intervention Classification | Follow-up dietary instruction in relation to type 1 diabetes |
| BUFA1 | National Intervention Classification | Dietary instruction in relation to type 2 diabetes |
| BUFA10 | National Intervention Classification | Initial dietary instruction in relation to type 2 diabetes |
| BUFA11 | National Intervention Classification | Follow-up dietary instruction in relation to type 2 diabetes |
| BUFA3 | National Intervention Classification | Dietary instruction in relation to pregnant women with type 1 diabetes |
| BUFA30 | National Intervention Classification | Initial dietary instruction in relation to pregnant women with type 1 diabetes |
| BUFA31 | National Intervention Classification | Follow-up dietary instruction in relation to pregnant women with type 1 diabetes |
| DE10 | ICD10 – disease classification | Type 1 diabetes |
| DE100 | ICD10 – disease classification | Type 1 diabetes with coma |
| DE100A | ICD10 – disease classification | Diabetic coma, hyperosmolar in IDDM |
| DE100B | ICD10 – disease classification | Diabetic coma in IDDM with ketoacidosis |
| DE100C | ICD10 – disease classification | Diabetic coma in IDDM without ketoacidosis |
| DE100D | ICD10 – disease classification | Diabetic coma, hyperglycemic in IDDM |
| DE100E | ICD10 – disease classification | Diabetic coma, hypoglycemic in IDDM |
| DE100F | ICD10 – disease classification | Insulin-dependent diabetes with diabetic coma |
| DE101 | ICD10 – disease classification | Type 1 diabetes with ketoacidosis |
| DE102 | ICD10 – disease classification | Type 1 diabetes with renal complication |
| DE103 | ICD10 – disease classification | Type 1 diabetes with eye complication |
| DE104 | ICD10 – disease classification | Type 1 diabetes with neurological complication |
| DE105 | ICD10 – disease classification | Type 1 diabetes with complications in peripheral vascular system |
| DE105A | ICD10 – disease classification | Type 1 diabetes with peripheral angiopathy |
| DE105B | ICD10 – disease classification | Type 1 diabetes with foot ulcer |
| DE105C | ICD10 – disease classification | Type 1 diabetes with gangrene |
| DE105D | ICD10 – disease classification | Type 1 diabetes with microangiopathy |
| DE106 | ICD10 – disease classification | Type 1 diabetes with other complication |
| DE107 | ICD10 – disease classification | Type 1 diabetes with multiple complications |
| DE108 | ICD10 – disease classification | Type 1 diabetes with complication UNS |
| DE109 | ICD10 – disease classification | Type 1 diabetes without complications |
| DE109A | ICD10 – disease classification | Type 1 diabetes UNS |
| DE11 | ICD10 – disease classification | Type 2 diabetes |
| DE110 | ICD10 – disease classification | Type 2 diabetes with coma |
| DE110A | ICD10 – disease classification | Diabetic coma in NIDDM without ketoacidosis |
| DE110B | ICD10 – disease classification | Diabetic coma, hypoglycemic in NIDDM |
| DE110C | ICD10 – disease classification | Diabetic coma, hyperosmolar in NIDDM |
| DE110D | ICD10 – disease classification | Diabetic coma, hyperglycemic in NIDDM |
| DE110E | ICD10 – disease classification | Diabetic coma in NIDDM with ketoacidosis |
| DE111 | ICD10 – disease classification | Type 2 diabetes with ketoacidosis |
| DE112 | ICD10 – disease classification | Type 2 diabetes with renal complication |
| DE113 | ICD10 – disease classification | Type 2 diabetes with eye complication |
| DE114 | ICD10 – disease classification | Type 2 diabetes with neurological complication |
| DE115 | ICD10 – disease classification | Type 2 diabetes with complications in peripheral vascular system |
| DE115A | ICD10 – disease classification | Type 2 diabetes with peripheral angiopathy |
| DE115B | ICD10 – disease classification | Type 2 diabetes with foot ulcer |
| DE115C | ICD10 – disease classification | Type 2 diabetes with gangrene |
| DE115D | ICD10 – disease classification | Type 2 diabetes with microangiopathy |
| DE116 | ICD10 – disease classification | Type 2 diabetes with other complication |
| DE117 | ICD10 – disease classification | Type 2 diabetes with multiple complications |
| DE118 | ICD10 – disease classification | Type 2 diabetes with complication UNS |
| DE119 | ICD10 – disease classification | Type 2 diabetes without complications |
| DE119A | ICD10 – disease classification | Type 2 diabetes UNS |
| DE12 | ICD10 – disease classification | Malnutrition-related diabetes |
| DE120 | ICD10 – disease classification | Malnutrition-related diabetes with coma |
| DE120A | ICD10 – disease classification | Diabetic coma, hyperglycemic in malnutrition-related diabetes |
| DE120B | ICD10 – disease classification | Diabetic coma, hypoglycemic in malnutrition-related diabetes |
| DE120C | ICD10 – disease classification | Diabetic coma in malnutrition-related diabetes with ketoacidosis |
| DE120D | ICD10 – disease classification | Diabetic coma in malnutrition-related diabetes without ketoacidosis |
| DE120E | ICD10 – disease classification | Diabetic coma, hyperosmolar in malnutrition-related diabetes |
| DE121 | ICD10 – disease classification | Malnutrition-related diabetes with ketoacidosis |
| DE122 | ICD10 – disease classification | Malnutrition-related diabetes with renal complication |
| DE123 | ICD10 – disease classification | Malnutrition-related diabetes with eye complication |
| DE124 | ICD10 – disease classification | Malnutrition-related diabetes with neurological complication |
| DE125 | ICD10 – disease classification | Malnutrition-related diabetes with complications in peripheral vascular system |
| DE125A | ICD10 – disease classification | Malnutrition-related diabetes with peripheral angiopathy |
| DE125B | ICD10 – disease classification | Malnutrition-related diabetes with foot ulcer |
| DE125C | ICD10 – disease classification | Malnutrition-related diabetes with gangrene |
| DE125D | ICD10 – disease classification | Malnutrition-related diabetes with microangiopathy |
| DE126 | ICD10 – disease classification | Malnutrition-related diabetes with other complication |
| DE127 | ICD10 – disease classification | Malnutrition-related diabetes with multiple complications |
| DE128 | ICD10 – disease classification | Malnutrition-related diabetes with complication UNS |
| DE129 | ICD10 – disease classification | Malnutrition-related diabetes without complications |
| DE13 | ICD10 – disease classification | Other forms of diabetes |
| DE130 | ICD10 – disease classification | Other form of diabetes with coma |
| DE131 | ICD10 – disease classification | Other form of diabetes with ketoacidosis |
| DE132 | ICD10 – disease classification | Other form of diabetes with renal complication |
| DE133 | ICD10 – disease classification | Other form of diabetes with eye complication |
| DE134 | ICD10 – disease classification | Other form of diabetes with neurological complication |
| DE135 | ICD10 – disease classification | Other form of diabetes with complications in peripheral vascular system |
| DE135A | ICD10 – disease classification | Other form of diabetes with peripheral angiopathy |
| DE135B | ICD10 – disease classification | Other form of diabetes with foot ulcer |
| DE135C | ICD10 – disease classification | Other form of diabetes with gangrene |
| DE135D | ICD10 – disease classification | Other form of diabetes with microangiopathy |
| DE136 | ICD10 – disease classification | Other form of diabetes with other complication |
| DE137 | ICD10 – disease classification | Other form of diabetes with multiple complications |
| DE138 | ICD10 – disease classification | Other form of diabetes with complication UNS |
| DE139 | ICD10 – disease classification | Other form of diabetes without complications |
| DE14 | ICD10 – disease classification | Unspecified diabetes |
| DE140 | ICD10 – disease classification | Diabetes UNS with coma |
| DE140A | ICD10 – disease classification | Diabetic coma in malnutrition-related diabetes |
| DE140B | ICD10 – disease classification | Diabetic coma, hyperglycemic in unspecified diabetes |
| DE140C | ICD10 – disease classification | Diabetic coma, hyperosmolar in unspecified diabetes |
| DE140D | ICD10 – disease classification | Diabetic coma, hypoglycemic in unspecified diabetes |
| DE141 | ICD10 – disease classification | Diabetes UNS with ketoacidosis |
| DE142 | ICD10 – disease classification | Diabetes UNS with renal complication |
| DE143 | ICD10 – disease classification | Diabetes UNS with eye complication |
| DE144 | ICD10 – disease classification | Diabetes UNS with neurological complication |
| DE145 | ICD10 – disease classification | Diabetes UNS with complications in peripheral vascular system |
| DE145A | ICD10 – disease classification | Diabetes UNS with peripheral angiopathy |
| DE145B | ICD10 – disease classification | Diabetes UNS with foot ulcer |
| DE145C | ICD10 – disease classification | Diabetes UNS with gangrene |
| DE145D | ICD10 – disease classification | Diabetes UNS with microangiopathy |
| DE146 | ICD10 – disease classification | Diabetes UNS with other complication |
| DE147 | ICD10 – disease classification | Diabetes UNS with multiple complications |
| DE148 | ICD10 – disease classification | Diabetes UNS with complication UNS |
| DE149 | ICD10 – disease classification | Diabetes UNS without complications |
| DE159 | ICD10 – disease classification | Hypoglycemic coma UNS |
| DE159A | ICD10 – disease classification | Insulin shock |
| DG632 | ICD10 – disease classification | Diabetic polyneuropathy |
| DH280 | ICD10 – disease classification | Diabetic cataract |
| DH360 | ICD10 – disease classification | Diabetic retinopathy UNS |
| DH360A | ICD10 – disease classification | Simplex retinopathy IDDM |
| DH360B | ICD10 – disease classification | Proliferative retinopathy IDDM |
| DH360C | ICD10 – disease classification | Simplex retinopathy NIDDM |
| DH360D | ICD10 – disease classification | Proliferative retinopathy NIDDM |
| DH360E | ICD10 – disease classification | Diabetic maculopathy IDDM |
| DH360F | ICD10 – disease classification | Diabetic maculopathy NIDDM |
| DH360H | ICD10 – disease classification | Simplex diabetic retinopathy |
| DH360J | ICD10 – disease classification | Proliferative diabetic retinopathy |
| DH360K | ICD10 – disease classification | Diabetic maculopathy |
| DZ135A1 | ICD10 – disease classification | Screening for diabetic retinopathy |
Abbreviations: ICD, International Classification of Disease; IDDM, insulin-dependent diabetes mellitus; NIDDM, non-insulin-dependent diabetes mellitus; UNS, unspecified