Z18
Non-billableRetained foreign body fragments
Retained foreign body fragments
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
Z18-Z18
Child Codes
6
Coding Notes
Includes
Conditions included under this code
- embedded fragment (status)
- embedded splinter (status)
- retained foreign body status
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- 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
Child Codes (6)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code Z18?
ICD-10-CM code Z18 represents "Retained foreign body fragments". It is a non-billable header code — use a more specific child code for billing purposes.
Is Z18 a billable code?
No, Z18 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under Z18.
What chapter is Z18 in?
Z18 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What codes cannot be used with Z18?
Z18 has Excludes1 notes indicating codes that cannot be used together with it, including: artificial joint prosthesis status (Z96.6-); foreign body accidentally left during a procedure (T81.5-); foreign body entering through orifice (T15-T19); and 5 more.
What are the subcategories under Z18?
Z18 has 6 child codes, including: Z18.0 (Retained radioactive fragments), Z18.1 (Retained metal fragments), Z18.2 (Retained plastic fragments), Z18.3 (Retained organic fragments), and 2 more.
What are the UMLS CUIs for Z18?
Z18 is linked to 4 UMLS Concept Unique Identifiers: C2977631, C2921319, C2921320, C2921321. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.