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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Z00 Encounter for general examination without complaint, suspected or reported diagnosis
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Z00.0 Encounter for general adult medical examination
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Z00.1 Encounter for newborn, infant and child health examinations
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Z00.2 Encounter for examination for period of rapid growth in childhood
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Z00.3 Encounter for examination for adolescent development state
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Z00.5 Encounter for examination of potential donor of organ and tissue
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Z00.6 Encounter for examination for normal comparison and control in clinical research program
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Z00.7 Encounter for examination for period of delayed growth in childhood
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Z00.8 Encounter for other general examination
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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.