Vasospasm of Cerebral Arteries

Please note this question was answered in 2017. The coding advice may or may not be outdated.


Two-year-old child comes with vasospasm of cerebral arteries status post head trauma. The physician does diagnostic angiography in bilateral ICAs and bilateral vertebrals. This is followed by “slow infusion” of verapamil in the bilateral ICAs and left vertebral. The physician was queried to clarify “slow infusion”, and his answer was, “These were injections over 5 minutes or so each.” My understanding is that I can’t bill codes 61650 and 61651 if it’s less than 10 minutes, per CPT guidelines. This is not an iatrogenic vasospasm, and the primary intent of the procedure was to treat it. What codes would assign in this scenario?

Question ID: 9338
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