Z22.7 – Latent tuberculosis
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to communicable diseases
ICD-10-CM code
Z22.7
- Code
Z22.7(claims format:Z227)- Description
- Latent tuberculosis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z20-Z29 Persons with potential health hazards related to communicable diseases
- Parent codes
- Z22
Notes for Z22.7
Applicable to:
- Latent tuberculosis infection (LTBI)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z22 – Carrier of infectious disease
Includes:
- colonization status
- suspected carrier
Excludes2 (not included here):
- carrier of viral hepatitis (B18.-)
Index terms for Z22.7
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Z22
- Z22.0 – Carrier of typhoidBillable
- Z22.1 – Carrier of other intestinal infectious diseasesBillable
- Z22.2 – Carrier of diphtheriaBillable
- Z22.3 – Carrier of other specified bacterial diseasesHeader
- Z22.4 – Carrier of infections with a predominantly sexual mode of transmissionBillable
- Z22.6 – Carrier of human T-lymphotropic virus type-1 [HTLV-1] infectionBillable
- Z22.8 – Carrier of other infectious diseasesBillable
- Z22.9 – Carrier of infectious disease, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Z22.7?
Z22.7 is the ICD-10-CM code for latent tuberculosis, in the block Z20-Z29 (Persons with potential health hazards related to communicable diseases).
Is Z22.7 a billable code?
Yes. Z22.7 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z22.7 belong to?
It belongs to category Z22 – Carrier of infectious disease.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.