Z22.7

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Latent tuberculosis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • Latent tuberculosis infection (LTBI)
Excludes1(Not coded here)
  • 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)
General instructions are available for the parent sections:
View Z22 Notes

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)
Z20-Z29Persons with potential health hazards related to communicable diseases (Z20-Z29)
Z22Carrier of infectious disease
Z22.7Latent tuberculosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z22.7:

categoryZ22
Carrier of infectious disease
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z22.7. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Infection, infected, infective (opportunistic)1 unique routes
tuberculous
latent (LTBI)→Z22.7
LTBI (latent tuberculosis infection)1 unique routes
Direct index entry→Z22.7
Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)2 unique routes
abscess (respiratory)
latent→Z22.7
latent→Z22.7

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 951
Other Factors Influencing Health Status

Cross Reference

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