Can anyone tell me what this means


Random Urine Chemistry
Albumin Creatinine Ratio Urine
Albumin (Urine)
<5
mg/L
Creatinine (Urine)
LO
1.2
2.5-20.0
mmol/L
Albumin/Creatinine
Unable to calculate Albumin/Creatinine Ratio
as the concentration of the Albumin is less than
the lower limit of the analytical range of the
method.