ICD-10-CM 2027
ICD-10 code for cystostomy device fitting
From the official ICD-10-CM alphabetic index entry “Fitting (and adjustment) (of) › cystostomy device”. Page updated September 29, 2026.
About coding cystostomy device fitting
The ICD-10-CM code for cystostomy device fitting is Z46.6 (Encounter for fitting and adjustment of urinary device).
Within Z46 (encounter for fitting and adjustment of other devices), Z46.6 is specifically for encounter for fitting and adjustment of urinary device. Related codes cover spectacles and contact lenses (Z46.0), hearing aid (Z46.1), related to nervous system and special senses (Z46.2), dental prosthetic device (Z46.3), orthodontic device (Z46.4), other gastrointestinal appliance and device (Z46.5), other specified devices (Z46.8) and unspecified device (Z46.9).
The conditions in its Excludes2 note aren't part of Z46.6, but may be coded alongside it if the patient has both: attention to artificial openings of urinary tract (Z43.5, Z43.6).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about cystostomy device fitting ICD-10 codes
What is the ICD-10 code for cystostomy device fitting?
- Z46.6 — Encounter for fitting and adjustment of urinary device.
Is Z46.6 billable?
- Yes. Z46.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z46.6 be used as a principal diagnosis?
- No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
Is Z46.6 a CC or MCC?
- No. Z46.6 is neither a CC nor an MCC under MS-DRG v44.0.