Wiki Cystoscopy procedure

[meghanrush]

I have an operative report for procedure: cystoscopy, right retrograde pyelogram, right flexible ureteroscopy, biopsy of ureter with piranha forceps....

I am new to coding for urology, can someone steer me in the right direction..
thanks

 

[RebeccaB]

52354 for the ureteral biopsy, 74420 for the retrograde pyelogram

 

[meghanrush]

I am having trouble getting 93281 paid due to medically necessity... the dx codes used are Z95810 and I492.... should I be using something else?
thanks