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Table 6 Top 10 principal ICD-9 readmission code following colorectal surgery

From: A study to reduce readmissions after surgery in the Veterans Health Administration: design and methodology

ICD-9 Category Code Description N (%)
Injury and poisoning 998.59 Other postoperative infection 214 (18.4)
Injury and poisoning 099.74 Digestive system complications 116 (10.0)
Endocrine, nutritional, and metabolic 276.51 Dehydration 60 (5.2)
Digestive system 560.9 Unspecified intestinal obstruction 58 (5.0)
Genitourinary system 584.9 Acute kidney failure, unspecified 53 (4.6)
Injury and poisoning 998.32 Disruption of external operation wound 43 (3.7)
Digestive system 567.22 Peritoneal abscess 41 (3.5)
Genitourinary system 599.0 Urinary tract infection 38 (3.3)
Infectious and parasitic diseases 084.5 Clostridium difficile 33 (2.8)
Injury and poisoning 998.31 Disruption of internal wound 21 (1.8)