AMA CPT® Assistant - 2010 Issue 8 (August)
Surgery: Nervous System (Q&A) (August 2010)
August 2010 page 12 Surgery: Nervous System Question: If a single injection is performed for a thoracic intercostal nerve block, the effect of which is to block multiple intercostals nerves, is it appropriate to report CPT code 64421, Injection, anesthetic agent; intercostal nerves, multiple, regional block, or is the provider limited to reporting CPT code 64420, Injection, anesthetic agent; intercostal nerve, single? Answer: “Single” injection refers to a single nerve block, so code 64420 should be reported. However, if only one needle is placed into the skin but manipulated up and down to inject into more than one...
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