AHA Coding Clinic® for ICD-9 - 2007 Issue 4; Volume 3 New/Revised Codes

Blood Brain Barrier

Effective October 1, 2007, a new code 00.19 has been created to identify a disruption of the blood brain barrier (BBBD) via infusion. The blood brain barrier (BBB) represents a substantial impediment to the delivery of chemotherapy to brain tumors. The BBB is the lining of the small blood vessels in the brain, which prevents many substances such as toxins or drugs from entering the brain. Because most chemotherapy drugs do not cross the BBB very well, patients may receive inadequate doses of chemotherapy to their brain tumors via conventional medical deliver methods–â€&ldquo...

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