Z20.0 – Contact with and (suspected) exposure to intestinal infectious diseases
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to communicable diseases
- Code
Z20.0(claims format:Z200)- Description
- Contact with and (suspected) exposure to intestinal infectious diseases
- Short description
- Contact w and exposure to intestinal infectious diseases
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z20-Z29 Persons with potential health hazards related to communicable diseases
- Parent codes
- Z20
Billable codes under Z20.0
Z20.0 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z20 – Contact with and (suspected) exposure to communicable diseases
- carrier of infectious disease (Z22.-)
- diagnosed current infectious or parasitic disease -see Alphabetic Index
- personal history of infectious and parasitic diseases (Z86.1-)
Related codes in Z20
- Z20.1 – Contact with and (suspected) exposure to tuberculosisBillable
- Z20.2 – Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmissionBillable
- Z20.3 – Contact with and (suspected) exposure to rabiesBillable
- Z20.4 – Contact with and (suspected) exposure to rubellaBillable
- Z20.5 – Contact with and (suspected) exposure to viral hepatitisBillable
- Z20.6 – Contact with and (suspected) exposure to human immunodeficiency virus [HIV]Billable
- Z20.7 – Contact with and (suspected) exposure to pediculosis, acariasis and other infestationsBillable
- Z20.8 – Contact with and (suspected) exposure to other communicable diseasesHeader
- Z20.9 – Contact with and (suspected) exposure to unspecified communicable diseaseBillable
Frequently asked questions
What is ICD-10 code Z20.0?
Z20.0 is the ICD-10-CM code for contact with and (suspected) exposure to intestinal infectious diseases, in the block Z20-Z29 (Persons with potential health hazards related to communicable diseases).
Is Z20.0 a billable code?
No. Z20.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Z20.0 belong to?
It belongs to category Z20 – Contact with and (suspected) exposure to communicable diseases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.