2025
ICD-10-CM
Diagnosis
Code

Z20 Contact with and (suspected) exposure to communicable diseases

  • Non-billable
  • 2016–2025

Z20 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Contact with and (suspected) exposure to communicable diseases.

Type 1 excludes

  • Carrier of infectious disease (Z22.-)

  • Diagnosed current infectious or parasitic disease -see Alphabetic Index

Type 2 excludes

  • Personal history of infectious and parasitic diseases (Z86.1-)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code