Following investigations are needed to establish a diagnosis of Nephrotic Syndrome:

• Urine Test: This is required to confirm the presence of excess proteins in urine.
• Blood tests:
  • Renal Function Tests: The parameters of BUN (Blood Urea Nitrogen) and Creatinine are checked to assess how the kidneys are functioning.
  • Blood Albumin Test
  • Blood triglyceride and cholesterol levels
• Renal biopsy confirms the diagnosis of Nephrotic Syndrome.
• Ultrasonography of Abdomen shows enlarged kidneys.