2026 ICD-10-CM Diagnosis Code Z46.3Encounter for fitting and adjustment of dental prosthetic device

ICD-10-CM Codes›Z00–Z99›Z40-Z53›Z46

ICD-10-CM Z46.3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z46.3 is a billable ICD-10-CM diagnosis code for encounter for fitting and adjustment of dental prosthetic device. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is exempt from POA reporting. Coders also document this condition as fit of maxillofacial prosthesis finding. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Any dental condition including traumatic injury; Caries, periodontitis, and other preventable dental conditions; and Implant, device or graft related encounter.

Code Identity

ICD-10-CM Code
Z46.3
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for fitting and adjustment of dental prosthetic device
Short Description
Encounter for fit/adjst of dental prosthetic device
Parent Code
Z46
Encounter for fitting and adjustment of other devices

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 CodeZ46.3Encounter for fitting and adjustment of dental prosthetic device

Present on Admission (POA)Billing

Z46.3 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Fit of maxillofacial prosthesis finding
  • Maxillofacial prosthesis loose

Tabular List NotesGuidance

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

Inclusion Terms

  • Encounter for fitting and adjustment of dentures

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Admission(for)
      • adjustment (of)
        • dental prosthesis
    • Admission(for)
      • adjustment (of)
        • device NEC
          • prosthetic
            • dental
    • Admission(for)
      • adjustment (of)
        • prosthesis
          • dental
    • Admission(for)
      • fitting (of)
        • dental prosthesis
    • Admission(for)
      • fitting (of)
        • dentures
    • Admission(for)
      • fitting (of)
        • device NEC
          • prosthetic
            • dental
    • Admission(for)
      • fitting (of)
        • prosthesis
          • dental
    • Fitting(and adjustment) (of)
      • dentures
    • Fitting(and adjustment) (of)
      • device NOS
        • prosthetic (external)
          • dental
    • Fitting(and adjustment) (of)
      • prosthesis (external)
        • dental

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DEN001
Any dental condition including traumatic injury
Default principal diagnosis: inpatient No · outpatient No
CCSR DEN003
Caries, periodontitis, and other preventable dental conditions
Default principal diagnosis: inpatient No · outpatient No
CCSR FAC009
Implant, device or graft related encounter
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR DEN002
Nontraumatic dental conditions
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

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Convert Z46.3 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V52.3 Fitting dental prosthes
Exact Match The mapping is direct, with no qualifiers.

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 Z46.3Overview

Is Z46.3 (Encounter for fitting and adjustment of other devices) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for fitting and adjustment of dental prosthetic device on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is Z46.3 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for encounter for fitting and adjustment of dental prosthetic device on inpatient claims.

What is the ICD-9 equivalent of Z46.3?

Under the General Equivalence Mappings, encounter for fitting and adjustment of dental prosthetic device converts to ICD-9-CM V52.3 (fitting dental prosthes). The mapping is a direct match.