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Table 1 ICD-9 codes used to identify inpatient groups. Diagnosis codes refer only to principal diagnosis or identifying procedure code

From: Cost of managing complications resulting from type 2 diabetes mellitus in Canada

Complication ICD-9 code
AMI 410.00 – 410.91
Angina 413.0 – 413.9, 411.1
Ischemic Stroke 433.x1*, 434.xx, 436
TIA 435.9
1st LEA 84.10 – 84.17
2nd LEA 84.10 – 84.17
Diabetic Foot Ulcer 707.1
Hypoglycemia 250.8 x§
  1. (ICD-9 = International Classification of Diseases, 9th revision, AMI = acute myocardial infarction, TIA = transient ischemic attack, LEA = lower extremity amputation) *x indicates that all fourth digits related to this root code were included. ¶xx indicates that all fourth and fifth digits related to this root code were included. §x indicates that all fifth digits related to this code were included.