Appendix I.

ICD-9-CM Diagnosis Codes^* VTE Codes

ICD-9-CM Pulmonary Embolism Diagnosis Codes
Codes	Diagnosis
4151	Pulmonary Embolism and infarction
41511	Iatrogenic pulmonary embolism and infarction
41519	Iatrogenic pulmonary embolism and infarction

ICD-9-CM Deep Vein Thrombosis Diagnosis codes:
Codes	Diagnosis
45111	Phlebitis and thrombosis of femoral vein (deep) (superficial)
45119	Phlebitis and thrombophlebitis of deep vessel of lower extremities – other
4512	Phlebitis and thrombophlebitis of deep vessel of lower extremities - unspecified
45181	Phlebitis and thrombophlebitis of iliac vein
4519	Phlebitis and thrombophlebitis of other sites – of unspecified sites
45340	DVT-embolism lower ext NOS (OCT 04)
45341	DVT-EMB proximal lower ext (OCT 04)
45342	DVT-EMB distal lower ext (OCT 04)
4538	Other venous embolism and thrombosis of other specified veins
4539	Other venous embolism and thrombosis of unspecified site

^*Agency for Health Care Research and Quality. Patient Safety Indicators Technical Specifications. 2006; http://www.qualityindicators.ahrq.gov/downloads/modules/psi/v32/psi_technical_specs_v32.pdf. Accessed July 13, 2008.