Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

CPT codes 64493 – 64495 (injection(s), diagnostic or therapeutic agent, paravertebral facet [zygapophyseal] joint [or nerves innervating that joint] with image guidance [fluoroscopy or CT], lumbar or sacral) require modifier 50 for bilateral procedures and are reimbursable only when billed in conjunction with one of the following ICD-10-CM ... ................
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