Medicine If serum osmolality 300 musm/ivg & urine osmolaUty is 1200 mOsm/kg, what is the diagnosis. A SIADH B Central DI C Nephrogenic Di D Water deprivation 💡 Explanation If serum osmolality 300 musm/ivg & urine osmolaUty is 1200 mOsm/kg, what is the diagnosis. ✓ Correct Answer: A. SIADH