Evidence of bleeding disorder or complications from bleeding
Use of aspirin, NSAIDS or other blood thinner that cannot be safely stopped for a sufficient time period before and after the biopsy so as to add no additional risk of bleeding
Blood urea nitrogen (BUN) \> 80 gm/dL
INR \> 1.4
PTT \> 35 seconds
Hemoglobin (Hgb) \< 10 mg/dL
Platelet count \< 100,000 / µL
Uncontrolled or difficult to control hypertension (\> 150/90 mmHg at the day of biopsy)
eGFR \< 40 mL/min/1.73m2
Single kidney (either by history, documented by prior imaging or ultrasound performed prior to the biopsy)
\> 2 cm discrepancy between left and right kidney sizes based on largest longitudinal diameter determined by ultrasound performed prior to the biopsy.
Kidney size: One or both kidneys \< 9 cm
Hydronephrosis or other important renal ultrasound findings such as significant stone disease
Any evidence of a current urinary tract infection as indicated on day of biopsy
Clinical evidence of non-diabetic renal disease
Positive urine pregnancy test or pregnancy
Clareo Health | Renal HEIR Study: Renal Hemodynamics, Energetics and Insulin Resistance in Youth Onset Type 2 Diabetes Study