| Test Name: |
|
Sodium, Whole Blood
|
|
|
|
|
|
|
| Test Code(s): |
|
WBNA / HCWBNA
|
|
|
|
|
|
|
| CPT Code(s): |
|
84295
|
|
|
|
|
|
|
| Test Description: |
|
Included In: Electrolytes, Whole Blood
|
|
|
|
|
|
|
| Methodology: |
|
Ion Selective Electrode
|
|
|
|
|
|
|
| Request Form: |
|
UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.
|
|
|
|
|
|
|
| Days Performed: |
|
Daily, 24 hours.
|
|
|
|
|
|
|
| Turnaround Time: |
|
Stat: 1 hour. All requests processed stat.
|
|
|
|
Specimen Requirements
|
|
|
|
| Specimen: |
|
Arterial, venous, or capillary
|
|
|
|
|
|
|
| Patient Preparation: |
|
For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.
|
|
|
|
|
|
|
| Collection Instructions: |
|
Radiometer "PICO"® syringes must be free of bubbles and clots. Two full Radiometer capillaries free of air bubbles and clots are needed for capillary blood.
|
|
|
|
|
|
|
| Collection Container: |
|
Preferred: Radiometer PICO® syringe
Also Acceptable:
2 full Radiometer capillary tubes,
Green top
|
|
|
|
|
|
|
| Collection Volume: |
|
Preferred: 1.5 mL
Pediatrics: 0.5 mL
|
|
|
|
|
|
|
| Sample Analyzed: |
|
Whole Blood
|
|
|
|
|
|
|
| Volume Required: |
|
Preferred: 1.5 mL
Pediatrics: 0.5 mL
|
|
|
|
|
|
|
| Specimen Transport: |
|
Transport specimen to UWHC Core Laboratory (B4/220) immediately. Specimen must arrive in the UWHC Core Lab within 30 minutes of collection.
|
|
|
|
|
|
|
| Unacceptable Criteria: |
|
Clotted specimens, iced specimens, or specimens past stability time are not acceptable.
|
|
|
|
|
|
|
| Stability: |
|
Ambient: 1 hour
Refrigerated: Not acceptable
Frozen: Not acceptable
|
|
|
|
Interpretation
|
|
|
|
|
Reference Interval:
|
|
0 days and up: 137-144 mmol/L
|
|
|
|
|
|
|
| Critical Calls: |
|
View
|
|
|
|
|
|
|
