Z20.01
BillableContact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)
Z20.01 is the ICD-10-CM code for Contact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli). It is a billable, specific code valid for reimbursement.
Z00-Z99 Factors influencing health status and contact with health services
What this means — in plain language
MedlinePlus · NIHE. coli is the name of a type of bacteria that lives in your intestines. Most types of E. coli are harmless. However, some types can make you sick and cause diarrhea . One type causes travelers' diarrhea. The worst type of E. coli causes bloody diarrhea, and can sometimes cause kidney failure and even death. These problems are most likely to occur in children and in adults with weak immune systems. You can get E.…
Read more about E. coli Infections at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code Z20.01?
- Z20.01 is the ICD-10-CM code for "Contact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z20.01 a billable code?
- Yes — Z20.01 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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