Z22.7
ICD-10BillableLatent tuberculosis
Official ICD-10-CM descriptor (FY2026)
Latent tuberculosis
Z22.7 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Latent tuberculosis infection (LTBI)
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis (R76.12)
- nonspecific reaction to tuberculin skin test without active tuberculosis (R76.11)
Related codes in Z22
- Z22.0Carrier of typhoid
- Z22.1Carrier of other intestinal infectious diseases
- Z22.2Carrier of diphtheria
- Z22.3Carrier of other specified bacterial diseasescategory
- Z22.4Carrier of infections w sexl mode of transmiss
- Z22.6Carrier of human T-lymphotropic virus type-1 infection
- Z22.8Carrier of other infectious diseases
- Z22.9Carrier of infectious disease, unspecified
Where this code sits
- Parent code
- Z22
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.