No. Fasting is not required before the test. However, it is recommended to avoid strenuous exercise and inform your physician about any medications you are currently taking.

A reduced number or function of Treg cells may indicate immune imbalance and may be associated with autoimmune diseases, chronic inflammation, or an increased risk of allergic disorders.

Elevated Treg cell levels may suppress normal immune responses and can be associated with tumor immune evasion, chronic infections, or immunosuppressive conditions. Clinical interpretation is recommended.

Your results should be reviewed by a healthcare professional together with your medical history and clinical findings to develop an appropriate health management or treatment plan.

Follow-up testing every 6–12 months is generally recommended. Patients with autoimmune diseases or those receiving immunotherapy may require more frequent monitoring based on physician recommendations.

The test requires only a small peripheral blood sample and is considered a low-risk procedure similar to a routine blood test.