Question about saturation biopsy....

I have a question regarding saturation biopsy of the prostate. Our doctor did a prostate biopsy and took 24 cores. He did not use a template to do this. He coded this as a saturation biopsy. Is this correct? Does a template need to be used to use 55706? What exactly is the difference between 55700 and 55706? Is it just how many cores are taken? Any help would be appreciated!

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