{"Azathioprine can be affected by a patient's TPMT and NUDT15 phenotype. This patient is predicted to be TPMT intermediate metabolizer and is at risk for myelosuppression with normal doses of azathioprine. Start with reduced starting doses (30%-80% of normal dose) if normal starting dose is 2-3 mg/kg/day (e.g., 0.6 – 2.4 mg/kg/day), and adjust doses of azathioprine based on degree of myelosuppression and disease-specific guidelines. Allow 2-4 weeks to reach steady-state after each dose adjustment. NUDT15 phenotype could not be assigned based on genotyping. Monitor closely for toxicity. Please consult a clinical pharmacist for more information."}