Code
Hierarchy
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Z00-Z99 Factors influencing health status and contact with health services (Z00-Z99)
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Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
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Z92 Personal history of medical treatment
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Z92.8 Personal history of other medical treatment
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Z92.81 Personal history of extracorporeal membrane oxygenation (ECMO)
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Z92.82 Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility
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Z92.83 Personal history of failed moderate sedation
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Z92.84 Personal history of unintended awareness under general anesthesia
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Z92.85 Personal history of cellular therapy
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Z92.86 Personal history of gene therapy
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Z92.89 Personal history of other medical treatment
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Notes
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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.
Code First
Code Also
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any follow-up examination (Z08-Z09)