Z46 – Encounter for fitting and adjustment of other devices

ICD-10-CM 2027 diagnosis code · Encounters for other specific health care

Non-billable header

ICD-10-CM code Z46

Code: Z46 (claims format: Z46)
Description: Encounter for fitting and adjustment of other devices
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z40-Z53 Encounters for other specific health care

Billable codes under Z46

Z46 is a header code and cannot be used on claims. Choose the most specific code:

Z46.0 – Encounter for fitting and adjustment of spectacles and contact lensesBillable
Z46.1 – Encounter for fitting and adjustment of hearing aidBillable
Z46.2 – Encounter for fitting and adjustment of other devices related to nervous system and special sensesBillable
Z46.3 – Encounter for fitting and adjustment of dental prosthetic deviceBillable
Z46.4 – Encounter for fitting and adjustment of orthodontic deviceBillable
Z46.5 – Encounter for fitting and adjustment of other gastrointestinal appliance and deviceHeader (more codes below)
Z46.6 – Encounter for fitting and adjustment of urinary deviceBillable
Z46.8 – Encounter for fitting and adjustment of other specified devicesHeader (more codes below)
Z46.9 – Encounter for fitting and adjustment of unspecified deviceBillable

Notes for Z46

Includes:

removal or replacement of other device

Excludes1 (not coded here):

malfunction or other complications of device - see Alphabetical Index

Excludes2 (not included here):

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

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block Z40-Z53

Applicable to:

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):

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

Frequently asked questions

What is ICD-10 code Z46?

Z46 is the ICD-10-CM code for encounter for fitting and adjustment of other devices, in the block Z40-Z53 (Encounters for other specific health care).

Is Z46 a billable code?

No. Z46 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.