Skip to main content

Table 1 Validated algorithms used to identify juvenile diabetes cases in administrative health data

From: Control charts for chronic disease surveillance: testing algorithm sensitivity to changes in data coding

Algorithm Name Algorithm Description References ICD Codes
1: 1 + H or 1 + P 1 or more hospital separation or 1 or more physician visit in 1 year 23, 25, 28 ICDA-8: 249, 250
ICD-9-CM: 250.b
ICD-CA: E10.b - E14.b
1: 1 + H or 2 + P 1 or more hospital separation or 2 or more physician visits in 1 year 23, 25, 28, 29
1: 1 + H or 3 + P 1 or more hospital separation or 3 or more physician visits in 1 year 23, 28
1: 1 + H or 4 + P 1 or more hospital separation or 4 or more physician visits in 1 year 28
2: 1 + H or 1 + P 1 or more hospital separation or 1 or more physician visit in 2 years 23, 25
2: 1 + H or 2 + P 1 or more hospital separation or 2 or more physician visits in 2 years 23, 24, 25, 26, 27, 28
3: 1 + H or 1 + P 1 or more hospital separation or 1 or more physician visit in 3 years 25
3: 1 + H or 2 + P 1 or more hospital separation or 2 or more physician visits in 3 years 25, 28
1: 1 + P 1 or more physician visits in 1 year 23, 28
1: 2 + P 2 or more physician visits in 1 yeara 23, 28
1: 3 + P 3 or more physician visits in 1 yeara 23, 28
1: 4 + P 4 or more physician visits in 1 yeara 23, 28
1: 5 + P 5 or more physician visits in 1 yeara 23, 28
2: 1 + P 1 or more physician visits in 2 years 23, 28
2: 2 + P 2 or more physician visits in 2 yearsa 23, 28
2: 3 + P 3 or more physician visits in 2 yearsa 23, 28
2: 4 + P 4 or more physician visits in 2 yearsa 23, 24, 28
2: 5 + P 5 or more physician visits in 2 yearsa 23, 28
  1. aVisits must be at least 30 days apart, b includes all codes beginning with specified digits