Ntrm subarach hemor from right post communicating artery

This code signifies a spontaneous (nontraumatic) bleeding event into the subarachnoid space of the brain, specifically originating from a ruptured aneurysm or other vascular anomaly of the right posterior communicating artery. This is a serious type of stroke often presenting with sudden, severe headache.

Assign this code when documentation clearly indicates a nontraumatic subarachnoid hemorrhage with the precise anatomical origin identified as the right posterior communicating artery. Supporting documentation typically includes imaging reports (e.g., CT angiography, MRI) confirming the hemorrhage and its specific source.

• Ensure the documentation specifies "nontraumatic" to differentiate from traumatic subarachnoid hemorrhage (S06.6-).
• Verify the laterality (right) and the specific vessel (posterior communicating artery) are explicitly stated.
• Do not use this code if the hemorrhage is due to trauma or if the specific arterial source is not identified.