Z20.9

Z20.9: Contact with and (suspected) exposure to unspecified communicable disease

Billable / specific codeICD-10-CM

Z20.9 is a billable, specific ICD-10-CM code for contact with and (suspected) exposure to unspecified communicable disease. It is valid for submission on a claim.

Check Z20.9 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Z20.9

A category’s note binds every code beneath it.

Written on Z20: Contact with and (suspected) exposure to communicable diseases

carrier of infectious disease (Z22.-)
diagnosed current infectious or parasitic disease -see Alphabetic Index

Excludes2 inherited from the categories above Z20.9

Not part of this code, but both may be coded when both are present.

Written on Z20: Contact with and (suspected) exposure to communicable diseases

personal history of infectious and parasitic diseases (Z86.1-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Contact›communicable disease
Contact›infection
Exposure›communicable disease

Code history

Unchanged in every release from FY2024 to FY2027.