Z18.32 – Retained tooth
ICD-10-CM 2027 diagnosis code · Retained foreign body fragments (Z18)
ICD-10-CM code
Z18.32
- Code
Z18.32(claims format:Z1832)- Description
- Retained tooth
- 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 › Z18.3
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 Z18.32
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Z18.3
Frequently asked questions
What is ICD-10 code Z18.32?
Z18.32 is the ICD-10-CM code for retained tooth, in the block Z18 (Retained foreign body fragments (Z18)).
Is Z18.32 a billable code?
Yes. Z18.32 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z18.32 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.