Table 1.

Suggested Use of NGAL in Urinary Tract Infection, Pyelonephritis, Vesicoureteral Reflux (VUR), and Hydronephrosis

Condition	Type of NGAL	Recommended Use
Urinary Tract Infection	Urine	Single measurement in acute setting to identify gram negative urinary tract infection
Pyelonephritis	Plasma or Plasma / Urine combination	Single measurement in acute setting to differentiate upper tract infection and systemic inflammation from lower tract infection
VUR / Prediction of Scarring	Urine	Longitudinal measurement to monitor for development or worsening of scarring
Hydronephrosis	Urine or Plasma	Longitudinal measurement to monitor for development of renal damage, or single measurement when concern for acute obstruction