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U.S. ICD-10-CM · FY 2027

Z18.10 ICD-10-CM Code: Retained metal fragments, unspecified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Z18.10

Retained metal fragments, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Z18.10 sits

  1. 1

    Chapter 21

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

  2. 2

    Section

    Retained foreign body fragments (Z18)

  3. 3

    Category Z18

    Retained foreign body fragments

  4. 4

    Subcategory Z18.1

    Retained metal fragments

  5. 5

    Code Z18.10

    Retained metal fragments, unspecified

Documentation details

Notes for this code

Inclusion terms

  • Retained metal fragment NOS

Code first

No “code first” instruction is listed for Z18.10.

Use additional code

No “use additional code” instruction is listed for Z18.10.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Z18.10.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Z18.10.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Z18.10 mean?

Z18.10 is the FY 2027 U.S. ICD-10-CM code for “Retained metal fragments, unspecified.”

Is Z18.10 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, Z18.10 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is Z18.10 located in ICD-10-CM?

Z18.10 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Retained foreign body fragments (Z18) (Z18–Z18), under category Z18, Retained foreign body fragments and subcategory Z18.1, Retained metal fragments.

What coding notes are listed for Z18.10?

Its listed inclusion terms are Retained metal fragment NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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