Contact with or exposure to tuberculosis

This code signifies that an individual has been in close proximity to someone with active tuberculosis, indicating potential exposure to the Mycobacterium tuberculosis bacterium. It does not imply that the individual has developed the disease, but rather identifies a risk factor for future infection.

Apply this code when a patient presents for evaluation following known contact with a person diagnosed with active TB. This is appropriate for contact tracing efforts or when a patient is being screened due to a household or occupational exposure.

• Do not use this code if the patient has a confirmed diagnosis of active or latent tuberculosis infection.
• This code is typically used as a primary diagnosis when the reason for the encounter is the exposure itself, not a symptom or established disease.
• Consider additional codes for screening tests performed (e.g., PPD, chest X-ray) or for any subsequent findings.