AMA CPT® Assistant - 2010 Issue 11 (November)

Surgery: Nervous System (Q&A) (November 2010)

November 2010 page 9 Surgery: Nervous System Question: If a single injection is performed for a thoracic intercostal nerve block, the effect of which is to block multiple intercostal nerves, it is appropriate to report CPT code 64421, Injection, anesthetic agent; intercostal nerves, multiple, regional block, or is the provider limited to re-porting code 64420, Injection, anesthetic agent; intercostal nerve, single? Answer: From a CPT coding perspective, “single injection” means “single nerve block.” Therefore, code 64420 should be reported. If only one needle is placed into the skin but manipulated up and down to inject into...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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