2025 ICD-10-CM Diagnosis Code Z11

by

Encounter for screening for infectious and parasitic diseases

  • Z11 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Encounter for screening for infec/parastc diseases
  • The 2025 edition of ICD-10-CM Z11 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Z11 – other international versions of ICD-10 Z11 may differ.

Applicable To

  • Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.

Type 1 Excludes

  • encounter for diagnostic examination-code to sign or symptom

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

 that may be applicable to Z11:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z00-Z13  Persons encountering health services for examinations

Code 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
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