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Z11 Encounter for screening for infec/parastc diseases

ICD-10-CM category Z11 sits in Chapter 21 (Factors influencing health status and contact with health services, Z00-Z99). It contains 12 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

Z11.5 Encounter for screening for other viral diseases

Billable codes in Z11

CodeDescription
Z11.0Encounter for screening for intestinal infectious diseases
Z11.1Encounter for screening for respiratory tuberculosis
Z11.2Encounter for screening for other bacterial diseases
Z11.3Encounter for screening for infections with a predominantly sexual mode of transmission
Z11.4Encounter for screening for human immunodeficiency virus [HIV]
Z11.51Encounter for screening for human papillomavirus (HPV)
Z11.52Encounter for screening for COVID-19
Z11.59Encounter for screening for other viral diseases
Z11.6Encounter for screening for other protozoal diseases and helminthiases
Z11.7Encounter for testing for latent tuberculosis infection
Z11.8Encounter for screening for other infectious and parasitic diseases
Z11.9Encounter for screening for infectious and parasitic diseases, unspecified

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