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Z03.823

Z03.823Encounter for observation for suspected inserted (injected) foreign body ruled out

Billable / specific codeICD-10-CMPOA exempt

Z03.823 is a billable, specific ICD-10-CM code for encounter for observation for suspected inserted (injected) foreign body ruled out. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • 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

Risk adjustment

Z03.823 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z03.823 is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

How Z03.823 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z03.823.

  • Observationsuspected, ruled outforeign bodyinserted(injected), in (eye) (orifice) (skin)

Related codes at this level

Codes that share Z03.82. If Z03.823 is not quite right, the correct code is usually one of these.

Questions about Z03.823

Is Z03.823 a billable ICD-10-CM code?
Yes. Z03.823 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z03.823 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.