All ICD10 Codes
Z46Not billable, use a more specific code below

Encounter for fitting and adjustment of other devices

In Encounters for other specific health care (Z40-Z53), chapter 21: Factors Influencing Health Status and Contact with Health Services

12 billable codes under Z46: none are a CC or MCC; none map to an HCC.

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Instructional notes

Includes: conditions that are coded here

  • removal or replacement of other device

Excludes1: not coded here, use a different code

  • malfunction or other complications of device - see Alphabetical Index

Excludes2: not included here, code separately if applicable

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

Also applies, from Encounters for other specific health care (Z40-Z53)

These notes sit on Z40-Z53 and apply to every code under it, including Z46.

Includes: conditions that are coded here

  • Categories Z40-Z53 are intended for use to indicate a reason for care. They may be used for patients who have already been treated for a disease or injury, but who are receiving aftercare or prophylactic care, or care to consolidate the treatment, or to deal with a residual state

Excludes2: not included here, code separately if applicable

  • follow-up examination for medical surveillance after treatment (Z08-Z09)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.

Read Section I.C.21 (page 92)

All codes under Z46

Z46 can't be used on a claim. Pick a billable code below; grey headings group them.

Z46 MS-DRGs

As the principal diagnosis, the billable codes under Z46 group to these 12 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to Z46

Notes on these codes point to Z46.

  • Z09 Excludes1: surveillance of prosthetic and other medical devices (Z44-Z46)
  • Z43 Excludes2: fitting and adjustment of prosthetic and other devices (Z44-Z46)
  • Z45 Excludes2: encounter for fitting and adjustment of non-implanted device (Z46.-)
  • Z48 Excludes2: encounter for fitting and adjustment of prosthetic and other devices (Z44-Z46)
  • Z96 Excludes2: fitting and adjustment of prosthetic and other devices (Z44-Z46)
  • Z97 Excludes2: fitting and adjustment of prosthetic and other devices (Z44-Z46)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.