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Test Code UNA24 Sodium, 24 Hour, Urine

Additional Codes

Epic: LAB446

Specimen Required

Specimen Type: Urine

Collection Container/Type

Preferred: 24-hour Urine Collection

Submission Container/Tube: Clear top (no additive)

Specimen Volume: 3 mL

Collection Instructions: 

  1. Collect a 24-hour specimen.
  2. Empty the bladder at the start of collection, this urine is discarded.
  3. Collect all urine after the initial void in the collection container.
  4. Measure and record the 24-hour volume.
  5. Record the exact start and completion times of the 24-hour collection on the container label.

Specimen Minimum Volume

1 mL

Specimen Stability

Room temperature: 1 month

Refrigerated: 1 month

Frozen: 1 year

Reference Range

Male

6 -10 years:

41 – 115 mEg/24 Hr

10 – 14 years:

63 – 177 mEq/24 Hr

14 – 150 years:

40 – 220 mEq/24 Hr

 

Female

6 -10 years:

20 – 69 mEq/24 Hr

10 – 14 years:

48 - 168 mEq/24 Hr

14 – 150 years:

40 - 220 mEq/24 Hr

 

Rejection Due To

Unlabeled, mislabeled, wrong tube type, QNS, exceeds specimen stability requirements.

Report Available

Same day

Method Name

Indirect (diluted) Ion-selective electrode

Day(s) Performed

Daily

Special Instructions

Patient Collection Instructions