I63.33
I63.33 — Cerebral infarction due to thrombosis of posterior cerebral artery
Non-billable headerICD-10-CM
I63.33 is a non-billable header ICD-10-CM code for cerebral infarction due to thrombosis of posterior cerebral artery. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
I63.33 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead I63.33
4 child codes. Green means billable.
- I63.331Cerebral infarction due to thrombosis of right posterior cerebral artery
- I63.332Cerebral infarction due to thrombosis of left posterior cerebral artery
- I63.333Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries
- I63.339Cerebral infarction due to thrombosis of unspecified posterior cerebral artery
Related codes at this level
Codes that share I63.3. If I63.33 is not quite right, the correct code is usually one of these.
- I63.30Cerebral infarction due to thrombosis of unspecified cerebral artery
- I63.31Cerebral infarction due to thrombosis of middle cerebral artery
- I63.32Cerebral infarction due to thrombosis of anterior cerebral artery
- I63.34Cerebral infarction due to thrombosis of cerebellar artery
- I63.39Cerebral infarction due to thrombosis of other cerebral artery
Questions about I63.33
- Is I63.33 a billable ICD-10-CM code?
- No. I63.33 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does I63.33 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).