Is this positive or negative
The QuantiFERON Result is NEGATIVE.
Here are the key values from Mrs. K. Parveen's TB Gold Gamma Interferon (IGRA) test:
| Parameter | Value | Reference |
|---|---|---|
| TB Antigen minus Nil | 0.02 IU/mL | Refer Below |
| TB Antigen | 0.15 IU/mL | Refer Below |
| Nil tube | 0.13 IU/mL | ≤ 8.0 |
| QuantiFERON Result | Negative |
The TB Antigen minus Nil value (0.02 IU/mL) is well below 0.438 IU/mL, which places the result firmly in the Negative category per the interpretation table on the report — meaning TB is unlikely to have infected T cells.
Important caveats from the report:
- A negative result does not completely rule out Mycobacterium tuberculosis infection, especially in immunocompromised individuals.
- If there is high clinical suspicion of TB, a repeat test after 8–10 weeks may be recommended.
- This test cannot differentiate between latent and active TB.
Please consult the referring doctor for clinical correlation and next steps.
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