2026 ICD-10-CM Diagnosis Code Z89.619Acquired absence of unspecified leg above knee

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z89

ICD-10-CM Z89.619
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z89.619 is a billable ICD-10-CM diagnosis code for acquired absence of unspecified leg above knee. 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. Coders also document this condition as amputated above knee. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Acquired absence of limb or organ.

Code Identity

ICD-10-CM Code
Z89.619
Billable Status
Yes — Valid for Submission
Code Describes
Acquired absence of unspecified leg above knee
Short Description
Acquired absence of unspecified leg above knee
Same as the full description in the CMS dataset.
Parent Code
Z89.61
Acquired absence of leg above knee

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
CategoryZ89Acquired absence of limb
This CodeZ89.619Acquired absence of unspecified leg above knee

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z89.619.

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

Z89.619 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.

  • Amputated above knee
  • Amputated at lower thigh
  • Amputated at mid thigh
  • Amputated at upper thigh
  • Amputated lower limb
  • Amputee gait
  • History of amputation of leg through tibia and fibula
  • History of amputation of lower limb above knee

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.

    • Absence(of) (organ or part) (complete or partial)
      • extremity (acquired)
        • lower (above knee)

Clinical ClassificationClinical

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

CCSR FAC022
Acquired absence of limb or organ
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Limb Loss

People can lose all or part of an arm or leg for many reasons. Common ones include:

Read the full article at MedlinePlus

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

Convert Z89.619 to ICD-9-CMHistory

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

ICD-9-CM
V49.76 Status amput above knee
Approximate The match is approximate rather than exact.

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 Z89.619Overview

Is Z89.619 (Acquired absence of leg above knee) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report acquired absence of unspecified leg above knee on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z89.619 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because acquired absence of unspecified leg above knee describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z89.619 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 acquired absence of unspecified leg above knee on inpatient claims.

What is the ICD-9 equivalent of Z89.619?

Under the General Equivalence Mappings, acquired absence of unspecified leg above knee converts to ICD-9-CM V49.76 (status amput above knee). The mapping is approximate, so confirm the match fits the documentation.