Z11 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Encounter for screening for infectious and parasitic diseases.
Inclusion term
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
Codes
Z11.0
Encounter for screening for intestinal infectious diseases
Z11.1
Encounter for screening for respiratory tuberculosis
Z11.2
Encounter for screening for other bacterial diseases
Z11.3
Encounter for screening for infections with a predominantly sexual mode of transmission
Z11.4
Encounter for screening for human immunodeficiency virus [HIV]
Z11.5
Encounter for screening for other viral diseases
Z11.6
Encounter for screening for other protozoal diseases and helminthiases
Z11.7
Encounter for testing for latent tuberculosis infection
Z11.8
Encounter for screening for other infectious and parasitic diseases
Z11.9
Encounter for screening for infectious and parasitic diseases, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code