2026 ICD-10-CM Diagnosis Code Z40.09Encounter for prophylactic removal of other organ

ICD-10-CM CodesZ00–Z99Z40-Z53Z40

ICD-10-CM Z40.09
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z40.09 is a billable ICD-10-CM diagnosis code for encounter for prophylactic removal of other organ. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Encounter for prophylactic or other procedures.

Code Identity

ICD-10-CM Code
Z40.09
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for prophylactic removal of other organ
Short Description
Encounter for prophylactic removal of other organ
Same as the full description in the CMS dataset.
Parent Code
Encounter for prophylactic surgery for risk factors related to malignant neoplasms

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ40-Z53Encounters for other specific health care
CategoryZ40Encounter for prophylactic surgery
This CodeZ40.09Encounter for prophylactic removal of other organ

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.

    • Admission(for)
      • prophylactic (measure)
        • organ removal
          • specified organ NEC
    • Admission(for)
      • prophylactic (measure)
        • organ removal
          • testes
    • Prophylactic
      • organ removal (for neoplasia management)
        • specified site NEC

Clinical ClassificationClinical

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

CCSR FAC004
Encounter for prophylactic or other procedures
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert Z40.09 to ICD-9-CMHistory

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

ICD-9-CM
V50.49 Prphylct orgn rmvl other
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 Z40.09Overview

Is Z40.09 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for prophylactic removal of other organ on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of Z40.09?

Under the General Equivalence Mappings, encounter for prophylactic removal of other organ converts to ICD-9-CM V50.49 (prphylct orgn rmvl other). The mapping is approximate, so confirm the match fits the documentation.