SUPPLEMENTAL DIGITAL CONTENT
Table. The ICD-9-CM Codes Used to Define Postoperative Complications.
Complication ICD-9 Code(s)
Shunt insertion, revision, or exploration (Pr) 02.2, 02.32-02.34, 02.39,03.71, 03.79, 02.41- 02.43
Meningitis 003.21, 036.0, 100.81, 320.0-320.7, 047.9,
322.0-322.2, 322.9
Wound infection 324.1, 478.24, 682.1, 730.00, 730.08, 730.20, 996.67, 998.5, 998.51, 998.59
Dural graft complication 996.63, 996.75
Wound disruption 998.31-998.32
Iatrogenic cerebrovascular infarction or
hemorrhage 997.02
Bleeding complication 998.11-998.12
Other neurosurgical-specific complications (eg, CSF leak, pseudomeningocele)
349.31, or 349.39, 349.2, 997.00 997.01, 997.09
Pulmonary complication/Pneumonia 003.22, 020.3-020.5, 021.2, 022.1, 039.1, 073.0-073.9, 083.0, 480.0-480.9, 481, 482.0-
482.9, 483, 483.0-483.8, 484, 484.1-484.8, 485, 486, 510.0-510.9, 513.0, 518.81-518.85,
997.31-997.39
Urinary-renal complication 584.5-584.9, 997.5
Septicemia 003.1, 020.2, 022.3, 036.2, 036.42, 038.0-
038.9,040.82, 449, 421.0-421.9, 422.92, 790.7
Cardiac complication 997.1, 410.00-410.92
Thrombotic complication 415.11, 415.13, 415.19, 453.40-453.42
Gastrostomy (Pr) 43.11-43.19
Tracheostomy (Pr) 31.1-31.29
Pressure ulcer 707.23-707.24
Catheter-associated infection 996.64, 999.31-999.32
“Pr” indicates a procedure code. All other ICD-9-CM codes are diagnosis codes.
