Z18

Classification

Category:Factors influencing health status and contact with health services

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Coding Guidance

Z18 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Inclusion Terms

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

Excludes 1

artificial joint prosthesis status

foreign body accidentally left during a procedure

foreign body entering through orifice

in situ cardiac device

organ or tissue replaced by means other than transplant

organ or tissue replaced by transplant

personal history of retained foreign body fully removed

superficial foreign body (non-embedded splinter) - code to superficial foreign body, by site

More Specific Codes

Z18.0

Retained radioactive fragments

Z18.1

Retained metal fragments

Z18.2

Retained plastic fragments

Z18.3

Retained organic fragments

Z18.8

Other specified retained foreign body

Z18.9

Retained foreign body fragments, unspecified material

External Resources

2025 ICD-10 guidelines from CMS.gov