Table 1. Breakdown of surgeries performed using ICD-9 coding and respective average 1-year Medicare reimbursement rates.

Surgery	Procedure	ICD-9 code(s)	Medicare cost
Index surgery	9+ level posterior cervical fusion	81.03, 81.64	$55,205
	❖ + BMP	81.03, 81.64, 84.52	$52,592
	4–8 level posterior cervical fusion	81.03, 81.63	$21,213
	❖ + 2–3 level anterior fusion	81.03, 81.62, 81.02	$26,970
Revision surgery	9+ level posterior cervical fusion	81.33, 81.64	$50,852
	❖ + BMP	81.33, 81.64, 84.52	$55,988
	4–8 level posterior cervical fusion	81.33, 81.63	$25,162

BMP, bone morphogenetic protein.