2026 ICD-10-CM Diagnosis Code Z99.3Dependence on wheelchair

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z99

ICD-10-CM Z99.3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z99.3 is a billable ICD-10-CM diagnosis code for dependence on wheelchair. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified status.

Code Identity

ICD-10-CM Code
Z99.3
Billable Status
Yes — Valid for Submission
Code Describes
Dependence on wheelchair
Short Description
Dependence on wheelchair
Same as the full description in the CMS dataset.
Parent Code
Z99
Dependence on enabling machines and devices, not elsewhere classified

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ99Dependence on enabling machines and devices, not elsewhere classified
This CodeZ99.3Dependence on wheelchair

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z99.3.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Present on Admission (POA)Billing

Z99.3 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.

  • Able to mobilize using mobility aids
  • Able to mobilize using wheelchair
  • Dependence on electric motor driven wheelchair
  • Dependence on energy-dependent medical equipment and/or device
  • Dependence on wheelchair
  • Dependent on helper pushing wheelchair
  • Does mobilize using aids
  • Does mobilize using wheelchair
  • Finding related to ability to mobilize using wheelchair
  • Independent in wheelchair
  • Minimal help in wheelchair
  • Requires supervision to perform wheelchair transfer

Tabular List NotesGuidance

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

Inclusion Terms

  • Wheelchair confinement status

Code First

  • cause of dependence, such as:
  • muscular dystrophy G71.0
  • obesity E66

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.

    • Dependence(on) (syndrome)
      • on
        • wheelchair
    • Status(post)
      • wheelchair confinement

Clinical ClassificationClinical

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

CCSR FAC025
Other specified status
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Mobility Aids

Mobility aids help you walk or move from place to place if you have a disability or an injury.

The full article covers:

  • What are mobility aids?
  • Who might benefit from mobility aids?
  • How do I choose a mobility aid?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Z99.3 to ICD-9-CMHistory

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

ICD-9-CM
V46.3 Wheelchair dependence
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 Z99.3Overview

Is Z99.3 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report dependence on wheelchair on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z99.3 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because dependence on wheelchair describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z99.3 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 dependence on wheelchair on inpatient claims.

What is the ICD-9 equivalent of Z99.3?

Under the General Equivalence Mappings, dependence on wheelchair converts to ICD-9-CM V46.3 (wheelchair dependence). The mapping is a direct match.