ICD-10-CM
ICD-10 code for Retained foreign body fragments (type of): Z18.9
The ICD-10-CM index points "Retained foreign body fragments (type of)" to Z18.9, Retained foreign body fragments, unspecified material. Z18.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- Z18.2acrylics, Retained plastic fragmentsBillable
- Z18.31animal quill (s) or spines, Retained animal quills or spinesBillable
- Z18.83cement, Retained stone or crystalline fragmentsBillable
- Z18.83concrete, Retained stone or crystalline fragmentsBillable
- Z18.83crystalline, Retained stone or crystalline fragmentsBillable
- Z18.09depleted isotope, Other retained radioactive fragmentsBillable
- Z18.01depleted uranium, Retained depleted uranium fragmentsBillable
- Z18.2diethylhexyl phthalates, Retained plastic fragmentsBillable
- Z18.81glass, Retained glass fragmentsBillable
- Z18.2isocyanate, Retained plastic fragmentsBillable
- Z18.11magnetic metal, Retained magnetic metal fragmentsBillable
- Z18.10metal, Retained metal fragments, unspecifiedBillable
- Z18.12nonmagnectic metal, Retained nonmagnetic metal fragmentsBillable
- Z18.09nontherapeutic radioactive, Other retained radioactive fragmentsBillable
- Z18.39organic NEC, Other retained organic fragmentsBillable
- Z18.2plastic, Retained plastic fragmentsBillable
- Z18.31quill (s) (animal), Retained animal quills or spinesBillable
- Z18.09radioactive (nontherapeutic) NEC, Other retained radioactive fragmentsBillable
- Z18.89specified NEC, Other specified retained foreign body fragmentsBillable
- Z18.31spine (s) (animal), Retained animal quills or spinesBillable
- Z18.83stone, Retained stone or crystalline fragmentsBillable
- Z18.32tooth (teeth), Retained toothBillable
- Z18.33wood, Retained wood fragmentsBillable
More specific codes in Z18
A header groups codes and is not billed. A billable code is one you can report.
- Z18Retained foreign body fragmentsHeader
- Z18.0Retained radioactive fragmentsHeader
- Z18.01Retained depleted uranium fragmentsBillable
- Z18.09Other retained radioactive fragmentsBillable
- Z18.1Retained metal fragmentsHeader
- Z18.10Retained metal fragments, unspecifiedBillable
- Z18.11Retained magnetic metal fragmentsBillable
- Z18.12Retained nonmagnetic metal fragmentsBillable
- Z18.2Retained plastic fragmentsBillable
- Z18.3Retained organic fragmentsHeader
- Z18.31Retained animal quills or spinesBillable
- Z18.32Retained toothBillable
- Z18.33Retained wood fragmentsBillable
- Z18.39Other retained organic fragmentsBillable
- Z18.8Other specified retained foreign bodyHeader
- Z18.81Retained glass fragmentsBillable
- Z18.83Retained stone or crystalline fragmentsBillable
- Z18.89Other specified retained foreign body fragmentsBillable
- Z18.9Retained foreign body fragments, unspecified materialBillable
Excludes1
Excludes1 means these codes are not reported together.
From Z18. A note on a category applies to every code under it.
- Z96.6-Artificial joint prosthesis status
- T81.5-Foreign body accidentally left during a procedure
- T15-T19Foreign body entering through orifice
- Z95.-In situ cardiac device
- Z96.-, Z97.-Organ or tissue replaced by means other than transplant
- Z94.-Organ or tissue replaced by transplant
- Z87.821Personal history of retained foreign body fully removed Z87.821
- superficial foreign body (non-embedded splinter) - code to superficial foreign body, by site
Related conditions
Related pages
- Z18.9 code detailsNotes, nearby codes, CMS-HCC group
- Category Z18Every code under it
- Chapter 21Factors influencing health status
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Retained foreign body fragments (type of)?
The ICD-10-CM index points "Retained foreign body fragments (type of)" to Z18.9, Retained foreign body fragments, unspecified material. Z18.9 is a billable code.
Is Z18.9 billable?
Yes. Z18.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Z18.9?
The CDC tabular list gives 8 Excludes1 notes (not coded together) for Z18.9 and the categories above it. They are listed on this page.
What chapter is Z18.9 in?
Chapter 21. Factors influencing health status.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.