2026 ICD-10-CM Diagnosis Code Z89.9Acquired absence of limb, unspecified

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z89

ICD-10-CM Z89.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z89.9 is a billable ICD-10-CM diagnosis code for acquired absence of limb, unspecified. 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 Acquired absence of limb or organ.

Code Identity

ICD-10-CM Code
Z89.9
Billable Status
Yes — Valid for Submission
Code Describes
Acquired absence of limb, unspecified
Short Description
Acquired absence of limb, unspecified
Same as the full description in the CMS dataset.
Parent Code
Z89
Acquired absence of limb

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 CodeZ89.9Acquired absence of limb, unspecified

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z89.9.

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

Z89.9 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.

  • Absence of lower limb
  • Absence of lower limb due to diabetes mellitus
  • Acquired absence of entire limb
  • Amputee
  • Amputee - limb
  • Amputee gait
  • H/O: limb amputation
  • H/O: lower limb amputation
  • History of amputation of left lower limb
  • History of amputation of right lower limb
  • History of bilateral lower limb amputation
  • History of diabetes related lower limb amputation
  • Limb stump pain
  • Phantom pain
  • Phantom pain following amputation of lower limb
  • Prosthetic limb gait

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)
    • Amputation
      • stump (surgical)
        • healed or old NOS
    • Amputee(bilateral) (old)

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

Clinical InformationClinical

  • Acquired Absence of Limb

    the absence of an extremity which is not present at birth and is the result of an injury or disease.

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 Z89.9 to ICD-9-CMHistory

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

ICD-9-CM
V49.60 Status amput up lmb NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
V49.70 Status amput lwr lmb NOS
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 Z89.9Overview

Is Z89.9 (Acquired absence of limb) a billable code?

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

Can Z89.9 be a principal diagnosis?

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

Is Z89.9 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 limb, unspecified on inpatient claims.

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

Under the General Equivalence Mappings, acquired absence of limb, unspecified converts to ICD-9-CM V49.60 (status amput up lmb NOS) and V49.70 (status amput lwr lmb NOS). The mapping is approximate, so confirm the match fits the documentation.