2026 ICD-10-CM Diagnosis Code Z99.0Dependence on aspirator

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z99

ICD-10-CM Z99.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z99.0 is a billable ICD-10-CM diagnosis code for dependence on aspirator. 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
Z99.0
Billable Status
Yes — Valid for Submission
Code Describes
Dependence on aspirator
Short Description
Dependence on aspirator
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 CodeZ99.0Dependence on aspirator

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z99.0.

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

Z99.0 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.

  • Dependence on aspirator

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
        • aspirator

Clinical ClassificationClinical

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

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

Convert Z99.0 to ICD-9-CMHistory

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

ICD-9-CM
V46.0 Dependence on aspirator
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 Z99.0Overview

Is Z99.0 a billable code?

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

Can Z99.0 be a principal diagnosis?

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

Is Z99.0 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 aspirator on inpatient claims.

What is the ICD-9 equivalent of Z99.0?

Under the General Equivalence Mappings, dependence on aspirator converts to ICD-9-CM V46.0 (dependence on aspirator). The mapping is a direct match.