ICD10Chapter21

ICD10 Chapter 21 Factors influencing health status and contact with health services (Z00-Z99) Note: Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if aprocedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than adisease, injury or external cause classifiable to categories A00-Y89 are recorded as ‘diagnoses’ or ‘problems’.This can arise in two main ways:
(a) When a person who may or may not be sick encounters the health services for some specific purpose, such asto receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylacticvaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
(b) When some circumstance or problem is present which influences the person’s health status but is not in itself acurrent illness or injury.
This chapter contains the following blocks:
Z00-Z13Persons encountering health services for examinations
Z14-Z15Genetic carrier and genetic susceptibility to disease
Z16Resistance to antimicrobial drugs
Z17Estrogen receptor status
Z18Retained foreign body fragments
Z19Hormone sensitivity malignancy status
Z20-Z29Persons with potential health hazards related to communicable diseases
Z30-Z39Persons encountering health services in circumstances related to reproduction
Z40-Z53Encounters for other specific health care
Z55-Z65Persons with potential health hazards related to socioeconomic and psychosocial circumstances
Z66Do not resuscitate status
Z67Blood type
Z68Body mass index (BMI)
Z69-Z76Persons encountering health services in other circumstances
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditionsinfluencing health status