Contact with and (suspected) exposure to tuberculosis

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Contact with and exposure to tuberculosis
FY2010 Draft description revised draft ~~Contact with and exposure to tuberculosis~~ Contact with and (suspected) exposure to tuberculosis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Z20 Contact with and (suspected) exposure to communicable diseases

Excludes1 - never coded here

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

Excludes2 - not included here

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

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Exposure
Contact > tuberculosis
Exposure > tuberculosis
Tuberculosis, tubercular, tuberculous > contact
Tuberculosis, tubercular, tuberculous > exposure

Codes in the same group

Code	Description	Status
Z20.0	Contact with and (suspected) exposure to intestinal infectious diseases	Not billable
Z20.2	Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission	Valid
Z20.3	Contact with and (suspected) exposure to rabies	Valid
Z20.4	Contact with and (suspected) exposure to rubella	Valid
Z20.5	Contact with and (suspected) exposure to viral hepatitis	Valid
Z20.6	Contact with and (suspected) exposure to human immunodeficiency virus [HIV]	Valid
Z20.7	Contact with and (suspected) exposure to pediculosis, acariasis and other infestations	Valid
Z20.8	Contact with and (suspected) exposure to other communicable diseases	Not billable
Z20.9	Contact with and (suspected) exposure to unspecified communicable disease	Valid