2026 ICD-10-CM Diagnosis Code Z46Encounter for fitting and adjustment of other devices

ICD-10-CM Codes›Z00–Z99›Z40-Z53›Z46

ICD-10-CM Z46
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z46 is a non-billable ICD-10-CM category code for encounter for fitting and adjustment of other devices, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z46.0, Z46.1, Z46.2, and Z46.3.

Code Identity

ICD-10-CM Code
Z46
Billable Status
No — Non-Billable Category
Code Describes
Encounter for fitting and adjustment of other devices
Chapter
Z40-Z53
Encounters for other specific health care

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ40-Z53Encounters for other specific health care
CategoryZ46Encounter for fitting and adjustment of other devices
This CodeZ46Encounter for fitting and adjustment of other devices

Specific Coding for Encounter for fitting and adjustment of other devicesOverview

Non-specific codes like Z46 require more characters. Use one of these billable codes instead:

  • Use Z46.0 for Encounter for fitting and adjustment of spectacles and contact lenses

  • Use Z46.1 for Encounter for fitting and adjustment of hearing aid

  • Use Z46.2 for Encounter for fitting and adjustment of other devices related to nervous system and special senses

  • Use Z46.3 for Encounter for fitting and adjustment of dental prosthetic device

  • Use Z46.4 for Encounter for fitting and adjustment of orthodontic device

  • Z46.5 for Encounter for fitting and adjustment of other gastrointestinal appliance and device

  • Use Z46.51 for Encounter for fitting and adjustment of gastric lap band

  • Use Z46.59 for Encounter for fitting and adjustment of other gastrointestinal appliance and device

  • Use Z46.6 for Encounter for fitting and adjustment of urinary device

  • Z46.8 for Encounter for fitting and adjustment of other specified devices

  • Use Z46.81 for Encounter for fitting and adjustment of insulin pump

  • Use Z46.82 for Encounter for fitting and adjustment of non-vascular catheter

  • Use Z46.89 for Encounter for fitting and adjustment of other specified devices

  • Use Z46.9 for Encounter for fitting and adjustment of unspecified device

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • removal or replacement of other device

Type 1 Excludes

  • malfunction or other complications of device - see Alphabetical Index

Type 2 Excludes

  • encounter for fitting and management of implanted devices Z45
  • issue of repeat prescription only Z76.0
  • presence of prosthetic and other devices Z95 Z97

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z46Overview

Is Z46 (Encounter for fitting and adjustment of other devices) a billable code?

No. This is a category header that groups the codes for encounter for fitting and adjustment of other devices, and headers cannot be submitted on claims. Claims for encounter for fitting and adjustment of other devices need a more specific code from this category, such as Z46.0, Z46.1, and Z46.2.