Z20.0
Non-billableContact w and exposure to intestinal infectious diseases
Contact with and (suspected) exposure to intestinal infectious diseases
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- carrier of infectious disease (Z22.-)
- diagnosed current infectious or parasitic disease -see Alphabetic Index
Excludes 2
Conditions not included here, but the patient may have both
- personal history of infectious and parasitic diseases (Z86.1-)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code Z20.0?
ICD-10-CM code Z20.0 represents "Contact with and (suspected) exposure to intestinal infectious diseases". It is a non-billable header code — use a more specific child code for billing purposes.
Is Z20.0 a billable code?
No, Z20.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under Z20.0.
What chapter is Z20.0 in?
Z20.0 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What codes cannot be used with Z20.0?
Z20.0 has Excludes1 notes indicating codes that cannot be used together with it, including: carrier of infectious disease (Z22.-); diagnosed current infectious or parasitic disease -see Alphabetic Index.
What are the subcategories under Z20.0?
Z20.0 has 2 child codes, including: Z20.01 (Cntct w and expsr to intestnl infct dis d/t E coli (E. coli)), Z20.09 (Contact w and exposure to oth intestinal infectious diseases).
What are the UMLS CUIs for Z20.0?
Z20.0 is linked to 1 UMLS Concept Unique Identifier: C2910644. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.