Code
Hierarchy
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Z00-Z99 Factors influencing health status and contact with health services (Z00-Z99)
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Z00-Z13 Persons encountering health services for examinations (Z00-Z13)
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Z11 Encounter for screening for infectious and parasitic diseases
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Z11.0 Encounter for screening for intestinal infectious diseases
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Z11.1 Encounter for screening for respiratory tuberculosis
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Z11.2 Encounter for screening for other bacterial diseases
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Z11.3 Encounter for screening for infections with a predominantly sexual mode of transmission
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Z11.4 Encounter for screening for human immunodeficiency virus [HIV]
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Z11.5 Encounter for screening for other viral diseases
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Z11.6 Encounter for screening for other protozoal diseases and helminthiases
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Z11.7 Encounter for testing for latent tuberculosis infection
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Z11.8 Encounter for screening for other infectious and parasitic diseases
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Z11.9 Encounter for screening for infectious and parasitic diseases, unspecified
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Notes
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Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
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Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
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(a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
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(b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
Inclusion Terms
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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.