Code
Hierarchy
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Z00-Z99 Factors influencing health status and contact with health services (Z00-Z99)
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Z68 Body mass index [BMI]
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Z68.5 Body mass index [BMI] pediatric
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Z68.51 Body mass index [BMI] pediatric, less than 5th percentile for age
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Z68.52 Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age
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Z68.53 Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age
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Z68.54 Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th percentile for age
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Z68.55 Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age
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Z68.56 Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age
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Notes
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BMI adult codes are for use for persons 20 years of age or older
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BMI pediatric codes are for use for persons 2-19 years of age.
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These percentiles are based on the growth charts published by the Centers for Disease Control and Prevention (CDC)
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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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Kilograms per meters squared