ICD-10-CM > Z00-Z99 > Z40-Z53 > Z49 > Z49.0 Z49.0 Preparatory care for renal dialysis Non-Billable/Non-Specific Applicable To Encounter for dialysis instruction and training Codes Z49.01Encounter for fitting and adjustment of extracorporeal dialysis catheterZ49.02Encounter for fitting and adjustment of peritoneal dialysis catheter