The association between diabetes related medical costs and glycemic control: A retrospective analysis

Table 1 International classification of diseases and current procedural terminology codes for complications and comorbidities

Complication or Comorbidity	International Classification of Diseases – 9 – Clinical Modification Codes
Nephropathy	39.27, 39.42, 39.43, 39.53, 39.93, 39.94, 39.95, 54.98, 55.4, 55.6, 250.4x, 403.xx, 404.xx, 405.01, 405.11, 405.91, 584.xx, 585.xx, 586.xx, 588.xx, 753.0x, 753.1x, 791.xx, V42, V45.1, V56
Neuropathy	250.6x
Retinopathy	250.5x
Foot Ulcer	707.1x
Amputation	84.1x
Myocardial Infarction	410.0x, 412.x
Stroke/Transient ischemic attack	430.xx – 438.xx
Coronary Artery Bypass Surgery	36.1x, 36.2x, 36.3x
Angioplasty	36.01, 36.02, 36.03, 36.05, 36.09
Complication or Comorbidity	Current Procedural Terminology Codes
Nephropathy	36800, 36810, 36815, 50300, 50340, 50360, 50365, 50370, 50380, 90920, 90921, 90924, 90925, 90935, 90937, 90945, 90947, 90989, 90993, 90997, 90999
Neuropathy
Retinopathy
Foot Ulcer
Amputation	26910, 27590–27592, 27594, 27596, 27598, 27880–27882, 27884, 27886, 27888, 27889, 28800, 28805, 28810, 28820, 28825
Myocardial Infarction
Stroke	35301, 35390
Coronary Artery Bypass Surgery	33510–33545, 33572
Angioplasty	92980–92984, 92995–92996

Receipt of any of the diagnostic or procedure codes listed above in the year prior to the index date was used to measure the presence of a complication or comorbidity.

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