What does ICD-10 code Z89.42 mean?

ICD-10 code Z89.42 is the standardized code used for acquired absence of other toe(s) in medical records and coding systems.

When is ICD-10 code Z89.42 used?

Doctors, hospitals, and insurers may use ICD-10 code Z89.42 when recording acquired absence of other toe(s) in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code Z89.42 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code Z89.42: Acquired absence of other toe(s)

Name: ICD-10 Code Z89.42: Acquired absence of other toe(s)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:51:31.948Z

Z89.42 is an ICD-10 diagnosis entry used to group records related to Acquired absence of other toe(s). You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

When is it used?

May be used when a clinician documents acquired absence of other toe(s) in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

21Factors influencing health status and contact with health services (Z00-Z99)

block

Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Official coding notes

Excludes2 (may code together if documented)

acquired absence of great toe (Z89.41-)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

General Physician

Sibling codes

Z89.41Acquired absence of great toe Z89.43Acquired absence of foot Z89.44Acquired absence of ankle

Coding guidelines

Common synonyms

Acquired absence of other toe(s)Acquired absence of other toeAcquired absence of other toe s

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.