Medical Coding

Category - Medicine

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A patient who undergoes hemodialysis three times a week needs to have his access scanned to make sure the blood flow is patent. What is the correct code for a duplex scan of hemodialysis access?

93970
93975
93990
93998

Explanation

Answer: C - 93990 is the correct code for a duplex scan of hemodialysis access including arterial inflow, body of access and venous outflow.
Code 93970 is incorrect because this code is for duplex scan of extremity veins. Code 93975 is incorrect because this is for a duplex scan of arterial inflow and venous outflow of abdominal, pelvic, scrotal contents and/or retroperitoneal organs. Code 93998 is incorrect because this code is for unlisted noninvasive vascular diagnostic study.

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