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Test Code NATU Sodium, Timed, Urine

Methodology

Ion-Selective Electrode (ISE)

Performing Laboratory

Munson Healthcare Laboratories

Specimen 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.

Reference Values

No established reference values

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84300

Special Instructions