Z03.823 ICD-10-CM Code: Encounter for observation for suspected inserted (injected) foreign body ruled out
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons encountering health services for examinations (Z00-Z13)
Z03.823
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceEncounter for observation for suspected inserted (injected) foreign body ruled out
A medical visit where a patient was evaluated for concern about a foreign object being inserted or injected into the body, but testing ruled out this condition.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
Basket needed
Code Book Path
Inclusion Terms
Official- Encounter for observation for suspected inserted (injected) foreign body in eye ruled out
- Encounter for observation for suspected inserted (injected) foreign body in orifice ruled out
- Encounter for observation for suspected inserted (injected) foreign body in skin ruled out
Excludes 2
Official- confirmed foreign body ingestion or aspiration including:
- foreign body in alimentary tract (T18)
- foreign body in ear (T16)
- foreign body on external eye (T15)
- foreign body in respiratory tract (T17)
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for Z03.823 in this effective period.
Excludes 1
Official- retained foreign body (Z18.-)
- retained foreign body in eyelid (H02.81)
- residual foreign body in soft tissue (M79.5)
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for Z03.823 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for Z03.823 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for Z03.823 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is Z03.823 an HCC code?
No. Z03.823 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Z03.823 is the ICD-10-CM diagnosis code for encounter for observation for suspected inserted (injected) foreign body ruled out. A medical visit where a patient was evaluated for concern about a foreign object being inserted or injected into the body, but testing ruled out this condition. Z03.823 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons encountering health services for examinations (z00-z13).
Z03.823 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
This code applies to objects inserted through skin or body cavities, including injected foreign material.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z03.823 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •This code applies to objects inserted through skin or body cavities, including injected foreign material
- •Document the suspected location and type of foreign body in the medical record