2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Injury To Blood Vessels 900-904 > Injury To Blood Vessels Of Head And Neck 900.* > 2008 ICD-9-CM Diagnosis 900.0 Injury to carotid artery  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 900.0 can be accessed here. Blunt and penetrating traumatic injuries of the common, internal, or external carotid arteries which may result from CRANIOCEREBRAL TRAUMA; THORACIC INJURIES; and NECK INJURIES. Damage to the artery may lead to CAROTID ARTERY THROMBOSIS; CAROTID-CAVERNOUS SINUS FISTULA; pseudoaneurysm formation; and internal carotid artery dissection (CAROTID ARTERY, INTERNAL, DISSECTION). Clinical manifestations (e.g., stroke, HORNER SYNDROME) may be immediate or delayed. (From Am J Forensic Med Pathol 1997 Sep;18(3):251-7; J Trauma 1994 Sep;37(3):473-9) 900.0 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 900.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog.