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Table 4 Analyzed Internal Medicine ICD-9-CM Codes out of all ICD-9-CM Codes in Illinois Medicaid

From: Transition to international classification of disease version 10, clinical modification: the impact on internal medicine and internal medicine subspecialties

 

Number of analyzed Codes

(N = 295)

Percent of total IL Medicaid diagnosis codes

Reimbursement (dollars) and percent of total IL Medicaid Reimbursement

Information Loss

36

(12%)

1.1

$160,541 (0.6%)

Overlapping categories

54

(18%)

1.7

$2,718,281 (10.4%)

Inconsistent

39

(13%)

1.2

$920,140 (3.5%).

Consistent

166

(56%)

5.2

$7,875,660 (30% of total cost)