Z20.820
BillableContact with and (suspected) exposure to varicella
Contact with and (suspected) exposure to varicella
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •carrier of infectious diseaseZ22
- diagnosed current infectious or parasitic disease -see Alphabetic Index
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(3)
Also Known As / Clinical Terms(3)
SNOMED CT
Clinical Terms
- Exposure to varicella
Frequently Asked Questions
What is the ICD-10 code for contact with and (suspected) exposure to varicella?
The ICD-10-CM code for contact with and (suspected) exposure to varicella is Z20.820. The full clinical description is "Contact with and (suspected) exposure to varicella". Z20.820 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Z20.820 mean?
ICD-10-CM code Z20.820 represents “Contact with and (suspected) exposure to varicella”. It is classified under Chapter 22: Factors Influencing Health Status and Contact With Health Services and is a billable/specific code that can be used on a claim.
Is Z20.820 a billable code?
Yes, Z20.820 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Z20.820 in?
Z20.820 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What codes cannot be used with Z20.820?
Z20.820 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 SNOMED CT codes does Z20.820 map to?
Z20.820 maps to 1 SNOMED CT concept: 444453009. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Z20.820?
Z20.820 is linked to 1 UMLS Concept Unique Identifier: C2910659. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Z20.820 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like contact with and (suspected) exposure to varicella affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Z20.820?
There is no direct ICD-11 mapping available for Z20.820 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.