Consider using any of the following billable codes with a higher level of specificity when coding for other and unspecified hydronephrosis Hydronephrosis with renal and ureteral calculous obstruction hydronephrosis with renal and ureteral calculous obstruction with infection (n13.6) Should you use n13.30 or n1330 (with or without decimal point) Do not include the decimal point when electronically filing claims as it may be rejected.
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