Convert ICD-10 Code I66.23 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I66.23 Occlusion and stenosis of bi posterior cerebral arteries		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.
I66.23 Occlusion and stenosis of bi posterior cerebral arteries		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.
I66.23 Occlusion and stenosis of bi posterior cerebral arteries		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 I66.23 - occlusion and stenosis of bilateral posterior cerebral arteries based on the most recent General Equivalence Mappings (GEMS) information.