Cerebral infrc due to embolism of bi post cerebral arteries

This code signifies a stroke resulting from a blockage in both posterior cerebral arteries, caused by an embolus (a traveling clot or other foreign material). This type of infarction affects the brain regions supplied by these arteries, which typically include parts of the occipital lobe, temporal lobe, and thalamus.

Apply this code when documentation clearly states a cerebral infarction due to an embolic event affecting both posterior cerebral arteries. Supporting documentation would include imaging reports (e.g., MRI, CT angiography) confirming bilateral posterior cerebral artery involvement and physician notes specifying an embolic etiology.

• Ensure documentation explicitly states "bilateral" involvement of the posterior cerebral arteries; unilateral involvement would require a different code.
• Confirm the etiology is "embolism"; other causes of infarction (e.g., thrombosis, unspecified) have distinct codes.
• Always sequence this code after any acute stroke symptom codes (e.g., hemiplegia) if present, as this is the underlying cause.