2024 ICD-10-CM Diagnosis Code Z03.818

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Encounter for observation for suspected exposure to other biological agents ruled out

  • Z03.818 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Encntr for obs for susp expsr to oth biolg agents ruled out
  • The 2024 edition of ICD-10-CM Z03.818 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of Z03.818 – other international versions of ICD-10 Z03.818 may differ.

The following code(s) above Z03.818 contain annotation back-references

 that may be applicable to Z03.818:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z00-Z13  Persons encountering health services for examinations
  • Z03  Encounter for medical observation for suspected diseases and conditions ruled out

Present On Admission

  • Z03.818 is considered exempt from POA reporting.

ICD-10-CM Z03.818 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 951 Other factors influencing health status

Convert Z03.818 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to Z03.818:

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