Z20.4 Contact with and (suspected) exposure to rubella
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Contact with and (suspected) exposure to rubella
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- carrier of infectious disease (Z22.-)
- diagnosed current infectious or parasitic disease -see Alphabetic Index
Excludes2
Not part of this code, but both can be coded when both are documented.
- personal history of infectious and parasitic diseases (Z86.1-)
Related codes
Z20.09Contact with and (suspected) exposure to other intestinal infectious diseases ICD-10-CMZ20.1Contact with and (suspected) exposure to tuberculosis ICD-10-CMZ20.2Contact with and ICD-10-CMZ20.3Contact with and (suspected) exposure to rabies ICD-10-CMZ20.5Contact with and (suspected) exposure to viral hepatitis ICD-10-CMZ20.6Contact with and (suspected) exposure to human immunodeficiency virus [HIV] ICD-10-CMZ20.7Contact with and (suspected) exposure to pediculosis, acariasis and other infestations ICD-10-CMZ20.810Contact with and (suspected) exposure to anthrax ICD-10-CM
Common questions
Is Z20.4 a billable code?
Yes. Z20.4 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.