ICD-10-CM > S00-T88 > T80-T88 > T83 > T83.0 > T83.01 > T83.012 T83.012 Breakdown (mechanical) of nephrostomy catheter Non-Billable/Non-Specific Codes T83.012A..., initial encounterT83.012D..., subsequent encounterT83.012S..., sequela