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Z11.7

Billable

Encounter for testing for latent tuberculosis infection

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A visit to get tested for latent tuberculosis infection (TB that is present but not active), typically through a skin test or blood test.

Coding Tips

  • Use this code for TB testing in asymptomatic individuals or those with exposure risk
  • If active TB is diagnosed, use codes from B90 series instead

Code Hierarchy

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