ICD-10-CM > S00-T88 > T80-T88 > T85 > T85.6 > T85.63 > T85.635 T85.635 Leakage of other nervous system device, implant or graft Non-Billable/Non-Specific Applicable To Leakage of intrathecal infusion pump Codes T85.635A..., initial encounterT85.635D..., subsequent encounterT85.635S..., sequela