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Sodium, timed urine-234

Test info

Test name:

Sodium, timed urine

Test number:

234

Excellian order number:

84300.1

Abbreviation:

NAT

Alternate names:

Specimen

Specimen type:

Urine, 24 hr

Collection container:

24 hr urine collection container, no additive

Volume:

24 hr urine collection

Minimum volume:

8 mL aliquot of a 24 hr collection

Collection instructions:

How to collect a 24 hr urine sample

Processing instructions:

Measure and record the total urine volume on request and/or aliquot tube
Mix well
Tranfer an 8.0 mL mixed aliquot in a Urine aliquot transport vial/tube - 10mL (AHL)

Transport container:

Urine aliquot transport vial/tube - 10mL (AHL)

Alternate transport container:

24 hr urine collection container, no additive

Transport and stability:

Refrigerated (preferred) - 7 days

Ambient - 7 days

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Delay in transport
Improper storage temperature affecting results
Inappropriate timing of collection
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performance

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Ion Selective Electrode

Clinical and Interpretive info

Reference ranges:

40 - 200 mmol/24 hrs

Billing

CPT codes:

84300

Tracking

Date created:

11/30/2001

Revised date:

09/11/2018

Review date:

12/02/2021