icd 9 code for 436

ICD-10 Equivalent of 436

As of October 2015, ICD-9 codes are no longer used for medical coding. Instead, use this equivalent ICD-10-CM code, which is an approximate match to ICD-9 code 436:

Historical Information for ICD-9 Code 436

Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.

Question: Why is ICD-9-CM Principal Diagnosis Code 436 used for ischemic stroke?

Could you please provide the rationale for why ICD-9-CM Principal Diagnosis Code 436 is used for inclusion in the stroke initial patient population? In the 2010 ICD-9-CM Manual, Volume 1, October 2009, code 436 excludes any condition classifiable to categories 430-435, and excludes any CVA that is ischemic, embolic, hemorrhagic, thrombotic or postoperative..

Answer

ICD-9-CM Principal Diagnosis Code 436 (Acute, but Ill-defined Cerebrovascular Disease) was at one time the only stroke code available. It remains on the ischemic stroke list because unfortunately, some people have not changed their coding practices, and continue to use it for stroke.

Known As

Cerebral vascular accident is also know as acute ill-defined cerebrovascular disease (disorder), ill defined cerebrovascular disease acute, ill-defined cerebrovascular disease acute, and superior cerebellar artery syndrome.

Cerebral Vascular Accident Definition and Symptoms

Cerebral vascular accident is the sudden loss of brain cells because of lack of oxygen. This occurs when blood flow to the brain becomes restricted. Also referred to as a stroke.