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Techniques in Noninvasive Vascular Diagnosis, (1st, 2nd, 3rd editions). Textbook by Summer Publishing LLC. Littleton, Colorado 2002, 2004, 2008, Author.
Medical records and ICD-9 codes used for Medicare claims submissions at the time of noninvasive vascular diagnostic testing were retrospectively reviewed. Submitted ICD-9 codes for each noninvasive vascular diagnostic study performed were correlated with the “ICD-9 codes that support medical necessity” based on the LMRP as listed by the local Medicare carrier for the state of Tennessee during the same time period (Riverbend-BlueCross/BlueShield of Tennessee for submission of technical charges to Medicare Part A and CIGNA HealthCare Medicare Administration for submission of professional charges to Medicare Part B) (, and ). and Correlation with clinical indications from the medical record was performed, and results from noninvasive vascular diagnostic studies that were denied by Medicare were reviewed.