2025
ICD-10-CM
Diagnosis
Code

Z18 Retained foreign body fragments

  • Non-billable
  • 2016–2025

Z18 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Retained foreign body fragments.

Includes

  • Embedded fragment (status)

  • Embedded splinter (status)

  • Retained foreign body status

Type 1 excludes

  • 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

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code