Test Code NATU Sodium, Timed, Urine
Methodology
Ion-Selective Electrode (ISE)Performing Laboratory
Munson Healthcare LaboratoriesSpecimen Requirements
3 mL from a timed urine collection in a plastic urine container. No preservative. Send specimen refrigerated. Forward promptly.Note: 1. Total volume and collection duration are required.
2. Follow instructions in Urine Collection in Special Instructions.