2025 ICD-10-CM Diagnosis Code Z11.0

Encounter for screening for intestinal infectious diseases

  • Z11.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM Z11.0 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Z11.0 – other international versions of ICD-10 Z11.0 may differ.

The following code(s) above Z11.0 contain annotation back-references

 that may be applicable to Z11.0:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z00-Z13  Persons encountering health services for examinations
  • Z11  Encounter for screening for infectious and parasitic diseases

Present On Admission

  • Z11.0 is considered exempt from POA reporting.

ICD-10-CM Z11.0 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 951 Other factors influencing health status

Convert Z11.0 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
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to Z11.0:

  • Type 1 Excludes: Z13.811
  • Type 2 Excludes: Z11.5, Z11.6

Diagnosis Index entries containing back-references to Z11.0:

  • Screening (for) Z13.9
    • disease or disorderZ13.9
      • bacterial NECZ11.2
        • intestinal infectious Z11.0
      • infection
      • protozoalZ11.6
      • viral NECZ11.59
    • intestinal
      • infectious disease Z11.0
    • protozoal diseaseZ11.6
    • cholera Z11.0
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