Z18.83 – Retained stone or crystalline fragments

ICD-10-CM 2027 diagnosis code · Retained foreign body fragments (Z18)

Billable code

ICD-10-CM code Z18.83

Code: Z18.83 (claims format: Z1883)
Description: Retained stone or crystalline fragments
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z18 Retained foreign body fragments (Z18)
Parent codes: Z18 › Z18.8

Notes for Z18.83

Applicable to:

Retained concrete or cement fragments

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z18 – Retained foreign body fragments

Includes:

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

Excludes1 (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

Index terms for Z18.83

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z18.8

Z18.81 – Retained glass fragmentsBillable
Z18.89 – Other specified retained foreign body fragmentsBillable

Frequently asked questions

What is ICD-10 code Z18.83?

Z18.83 is the ICD-10-CM code for retained stone or crystalline fragments, in the block Z18 (Retained foreign body fragments (Z18)).

Is Z18.83 a billable code?

Yes. Z18.83 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z18.83 belong to?

It belongs to category Z18 – Retained foreign body fragments.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.