Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM Z18 — Retained foreign body fragments | Codelle

Z18

ICD-10-CM

Retained foreign body fragments

Clinical Notes

Includes

embedded fragment (status)
embedded splinter (status)
retained foreign body status

Excludes 1 — Not coded here

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

Code Hierarchy

Subcodes (6)

Z18.0Retained radioactive fragments

Z18.1Retained metal fragments

Z18.2Retained plastic fragments

Z18.3Retained organic fragments

Z18.8Other specified retained foreign body

Z18.9Retained foreign body fragments, unspecified material

Same Category

Z18.0Retained radioactive fragments Z18.01Retained depleted uranium fragments Z18.09Other retained radioactive fragments Z18.1Retained metal fragments Z18.10Retained metal fragments, unspecified Z18.11

Retained magnetic metal fragments

Z18.12Retained nonmagnetic metal fragments

Z18.2Retained plastic fragments

Z18.3Retained organic fragments

Z18.31Retained animal quills or spines

+5 more in this category