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Table 1 Conditions listed under ICD-9 codes 996-999.

From: Estimates of complications of medical care in the adult US population

Code Condition
996.0 Mechanical complication of cardiac device, implant, and graft
996.1 Mechanical complication of other vascular device, implant, and graft
996.2 Mechanical complication of nervous system device, implant, and graft
996.3 Mechanical complication of genitourinary device, implant, and graft
996.4 Mechanical complication of internal orthopedic device, implant, and graft
996.5 Mechanical complication of other specified prosthetic device, implant, and graft
996.6 Mechanical complication of other specified prosthetic device, implant, and graft
996.7 Other complications of internal (biological) (synthetic) prosthetic device, implant, and graft
996.8 Complications of transplanted organ
996.9 Complications of reattached extremity or body part
997.0 Nervous system complications during or resulting from a procedure
997.1 Cardiac complications during or resulting from a procedure
997.2 Peripheral vascular complications during or resulting from a procedure
997.3 Respiratory complications during or resulting from a procedure
997.4 Digestive system complications during or resulting from a procedure
997.5 Urinary complications during or resulting from a procedure
997.6 Late amputation stump complication during or resulting from a procedure
997.9 Complications affecting other specified body systems during or resulting from a procedure
998.0 Postoperative shock during or resulting from a procedure
998.1 Hemorrhage or hematoma complicating a procedure
998.2 Accidental puncture or laceration during a procedure
998.3 Disruption of operation wound
998.4 Foreign body accidentally left during a procedure
998.5 Postoperative infection
998.6 Persistent postoperative fistula
998.7 Acute reaction to foreign substance accidentally left during a procedure
998.8 Other specified complications of procedures
998.9 Unspecified complication of procedure
999.0 Generalized vaccinia
999.1 Air embolism to any site following infusion, perfusion, or transfusion
999.2 Other vascular complications following infusion, perfusion, or transfusion
999.3 Other infections following infusion, perfusion, or transfusion
999.4 Anaphylactic shock due to serum
999.5 Other serum reaction
999.6 ABO incompatibility reaction
999.7 Rh incompatibility reaction
999.8 Other transfusion reaction
999.9 Other and unspecified complications of medical care