Table 1.

Diagnosis Codes and Diagnosis‐Related Groups Used to Define PAD22

Must have 1 of the following diagnosis codes
440.0	Atherosclerosis of aorta
440.20	Atherosclerosis of native arteries of extremities, unspecified
440.21	Atherosclerosis of native arteries of extremities, with intermittent claudication
440.22	Atherosclerosis of native arteries of extremities, with rest pain
440.23	Atherosclerosis of native arteries of extremities, with ulceration
440.24	Atherosclerosis of native arteries of extremities, with gangrene
440.31	Atherosclerosis of autologous vein bypass graft of extremities
440.9	Atherosclerosis nonspecific
442.3	Lower extremity aneurysm
443.9	Peripheral vascular disease, unspecified
444.2X	Arterial embolism and thrombosis of arteries of the extremities
444.81	Arterial embolism and thrombosis of other specified artery, iliac artery
AND be assigned to 1 of the following DRGs
5	Extracranial vascular procedures
110	Major cardiovascular procedures with CC
111	Major cardiovascular procedures without CC
113	Amputation for circulatory system disorders except upper limb and toe
114	Upper limb and toe amputation for circulatory system disorders
124	Circulatory disorders except acute myocardial infection
130	Peripheral vascular disorders with CC
131	Peripheral vascular disorders without CC
132	Atherosclerosis with CC
133	Atherosclerosis without CC
213	Amputation for musculoskeletal system and connective tissue disorders
271	Skin ulcers
285	Amputation of lower limb for endocrine, nutritional, and metabolic disorders
287	Skin grafts and wound debridement for endocrine, nutritional, and metabolic disorders
478	Other vascular procedures with CC
479	Other vascular procedures without CC

CC indicates complications and comorbidities; DRG, diagnosis‐related group.