All ICD10 Codes

Z18

Non-Billable
ChapterZ00–Z99
Rankcategory
Official Description

Retained foreign body fragments

Use a more specific code (2 billable, 4 non-billable)
Z18.0Retained radioactive fragmentshas subcodesZ18.1Retained metal fragmentshas subcodesZ18.2Retained plastic fragmentsZ18.3Retained organic fragmentshas subcodesZ18.8Other specified retained foreign bodyhas subcodesZ18.9Retained foreign body fragments, unspecified material
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • embedded fragment (status)
  • embedded splinter (status)
  • retained foreign body status
Excludes1(Not coded here. Use a different code.)
  • artificial joint prosthesis status (Z96.6-)
  • foreign body accidentally left during a procedure (T81.5-)
  • foreign body entering through orifice (T15-T19)
  • in situ cardiac device (Z95.-)
  • organ or tissue replaced by means other than transplant (Z96.-, Z97.-)
  • organ or tissue replaced by transplant (Z94.-)
  • personal history of retained foreign body fully removed Z87.821
  • superficial foreign body (non-embedded splinter) - code to superficial foreign body, by site

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z18Retained foreign body fragmentsNot billable
Z18.0Retained radioactive fragmentsSubcodes
Z18.1Retained metal fragmentsSubcodes
Z18.2Retained plastic fragmentsBillable
Z18.3Retained organic fragmentsSubcodes
Z18.8Other specified retained foreign bodySubcodes
Z18.9Retained foreign body fragments, unspecified materialBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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