About Chapter 21

This chapter of the ICD-10-CM Tabular List covers Factors influencing health status and contact with health services (Z00-Z99). It is organized into 15 sections, each containing specific diagnosis codes used for medical billing, documentation, and statistical tracking. Click any section below to explore the codes within that range.

Sections 15 total
Persons encountering health services for examinations
Z00-Z13
Z00-Z13
Genetic carrier and genetic susceptibility to disease
Z14-Z15
Z14-Z15
Resistance to antimicrobial drugs
Z16
Z16
Estrogen, and other hormones and factors receptor status
Z17
Z17
Retained foreign body fragments
Z18
Z18
Hormone sensitivity malignancy status
Z19
Z19
Persons with potential health hazards related to communicable diseases
Z20-Z29
Z20-Z29
Persons encountering health services in circumstances related to reproduction
Z30-Z39
Z30-Z39
Encounters for other specific health care
Z40-Z53
Z40-Z53
Persons with potential health hazards related to socioeconomic and psychosocial circumstances
Z55-Z65
Z55-Z65
Do not resuscitate status
Z66
Z66
Blood type
Z67
Z67
Body mass index (BMI)
Z68
Z68
Persons encountering health services in other circumstances
Z69-Z76
Z69-Z76
Persons with potential health hazards related to family and personal history and certain conditions influencing health status
Z77-Z99
Z77-Z99