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HelpTest Code LAB197 Body Fluid Sodium
Clinical System Name
Body Fluid Sodium
Synonyms
LAB197
NA BF
Na - Misc
Sample Requirements
Specimen: Body Fluid
Container(s): Sterile Screw-Capped Container, Sterile Screw-Capped Tube, Syringe, Gold SST, Red
Preferred Vol: 0.5 mL
Minimum Vol: 0.25 mL
Note: Note type of body fluid on requisition.
Processing Instructions
Reject due to: Age of Specimen (give to Core Lab for determination), Incorrect specimen container
Spin: Y
Aliquot: Y
Storage location: Core 5 Chemistry Refrigerator
Off-site collection: Note type of body fluid on requisition. Specimen should be centrifuged within 2 hours of collection. Spin body fluid and transfer supernatant to plastic tube and refrigerate or freeze.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Body Fluid | RT |
≤ 24 h |
| Body Fluid | 2-8 C |
≤ 7 d |
| Body Fluid | -20 C or -70 C |
≤ 180 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y | 24/7 | 1 h |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Core Chemistry
Phone Number: 206-987-2617 (Client Services)
CPT Codes
84302
Methodology
Method: Potentiometric by Vitros 4600
Analytical Volume: 0.02 mL + 0.03 mL dead space
Reference Range
Reference ranges are not available for Body Fluid.