2026 ICD-10-CM Diagnosis Code Z95.811Presence of heart assist device

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z95

ICD-10-CM Z95.811
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z95.811 is a billable ICD-10-CM diagnosis code for presence of heart assist device. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 314 through 316. The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. Coders also document this condition as left ventricular assist device present. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Heart failure; and Implant, device or graft related encounter.

Code Identity

ICD-10-CM Code
Z95.811
Billable Status
Yes — Valid for Submission
Code Describes
Presence of heart assist device
Short Description
Presence of heart assist device
Same as the full description in the CMS dataset.
Parent Code
Z95.81
Presence of other cardiac implants and grafts

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
CategoryZ95Presence of cardiac and vascular implants and grafts
This CodeZ95.811Presence of heart assist device

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z95.811.

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

Z95.811 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.

  • Left ventricular assist device present

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.

    • Presence(of)
      • device (external) NEC
        • heart assist
    • Presence(of)
      • heart assist device

Clinical ClassificationClinical

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

CCSR CIR019
Heart failure
Default principal diagnosis: inpatient No · outpatient Yes
CCSR FAC009
Implant, device or graft related encounter
Default principal diagnosis: inpatient No · outpatient No

Convert Z95.811 to ICD-9-CMHistory

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

ICD-9-CM
V43.21 Heart assist dev replace
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 Z95.811Overview

Is Z95.811 (Presence of other cardiac implants and grafts) a billable code?

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

What MS-DRG does Z95.811 group to?

On inpatient claims, presence of heart assist device maps to MS-DRG 314, 315, 316, with relative weights from 0.6821 to 2.0852 depending on complications. Higher weights mean higher Medicare reimbursement.

Can Z95.811 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because presence of heart assist device describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z95.811 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 presence of heart assist device on inpatient claims.

What is the ICD-9 equivalent of Z95.811?

Under the General Equivalence Mappings, presence of heart assist device converts to ICD-9-CM V43.21 (heart assist dev replace). The mapping is a direct match.