AMA CPT® Assistant - 2007 Issue 11 (November)

Surgery: Musculoskeletal System (November 2007)

November 2007 page 8a Coding Communication:Surgery: Musculoskeletal System Question: What is the appropriate code to report if anterior instrumentation is inserted at vertebral segments C3-4 and additional instrumentation is inserted at C6-7, but vertebral segments C4-5 and C5-6 are not fused? Are the anterior instrumentation codes assigned strictly by the TOTAL number of spinal segments with instrumentation applied (ie, 22846) or is the appropriate code chosen based on the vertebral segments involved in each separate construct (ie, 22845, 22845 59)? Answer: Anterior instrumentation codes 22845-22847 may be reported separately with modifier 59, Distinct procedural service, appended when the procedure...

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