ICD-10-CM › Z00-Z99 › Z20-Z29 › Z22 Carrier of infectious disease › Z22.7
Z22.7
Latent tuberculosis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2020 to now.
- FY2020 Added to the code set Latent 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 Z22 Carrier of infectious disease
Excludes2 - not included here
- carrier of viral hepatitis (B18.-)
Includes
- colonization status
- suspected carrier
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.
- Abscess > tuberculous
- LTBI
- Tuberculosis, tubercular, tuberculous > latent
- Infection, infected, infective > tuberculous > latent
- Tuberculosis, tubercular, tuberculous > abscess > latent
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Z22.0 | Carrier of typhoid | Valid |
| Z22.1 | Carrier of other intestinal infectious diseases | Valid |
| Z22.2 | Carrier of diphtheria | Valid |
| Z22.3 | Carrier of other specified bacterial diseases | Not billable |
| Z22.4 | Carrier of infections with a predominantly sexual mode of transmission | Valid |
| Z22.5 | Carrier of viral hepatitis | Retired |
| Z22.6 | Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection | Valid |
| Z22.8 | Carrier of other infectious diseases | Valid |
| Z22.9 | Carrier of infectious disease, unspecified | Valid |