Table 9. Pediatric normal ranges for albuminuria and total proteinuria.

	Unit	<6 months	6 – 24 months	> 24 months
PER	mg/m2/day	< 240	< 150	< 150
PCR	mg/mmol	/	< 50	< 20
AER	mg/day	not known	not known	< 30
ACR	mg/mmol	not known	not known	< 3
PER – Protein Excretion Rate. PCR – Protein-to-Creatinine Ratio. AER – Albumin Excretion Rate. ACR – Albumin-to-Creatinine Ratio.