Convert ICD-10 Code I66.09 to ICD-9

Source ICD-10 Code Target ICD-9 Code
I66.09
Occlusion and stenosis of unspecified middle cerebral artery
434.00
Crbl thrmbs wo infrct
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
I66.09
Occlusion and stenosis of unspecified middle cerebral artery
434.10
Crbl emblsm wo infrct
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
I66.09
Occlusion and stenosis of unspecified middle cerebral artery
434.90
Crbl art oc NOS wo infrc
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code I66.09 - occlusion and stenosis of unspecified middle cerebral artery based on the most recent General Equivalence Mappings (GEMS) information.