| Test Name: |
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Electrolytes, Whole Blood
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| Test Code(s): |
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WBLYTS / HCWBLYTS
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| CPT Code(s): |
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80051
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| Test Description: |
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Test Component: Sodium, Whole Blood; Potassium, Whole Blood; Chloride, Whole Blood; and Total CO2, Whole Blood (carbon dioxide)
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| Methodology: |
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Ion Selective Electrode
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| Request Form: |
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UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.
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Specimen Requirements
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| Specimen: |
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Arterial, venous, or capillary
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| Collection Instructions: |
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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. Do NOT place specimen on ice.
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| Collection Container: |
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Preferred: Radiometer PICO® syringe
Also Acceptable:
2 full Radiometer capillary tubes,
Green top
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| Collection Volume: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Sample Analyzed: |
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Whole Blood
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| Volume Required: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately. Specimen must arrive in the UWHC Core Lab within 30 minutes of collection.
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| Unacceptable Criteria: |
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Clotted specimens, iced specimens, or specimens past stability time are not acceptable.
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| Stability: |
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Ambient: 1 hour
Refrigerated: Not acceptable
Frozen: Not acceptable
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Interpretation
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Reference Interval:
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| Sodium, WB |
0 days and up: 137-144 mmol/L |
| Potassium, WB |
0-29 days: 4.0-5.9 mmol/L |
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30 days-11 months: 4.0-5.3 mmol/L |
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12 months and up: 3.6-5.0 mmol/L |
| Chloride, WB |
0 days and up: 97-106 mmol/L |
| CO2, WB |
0 days and up: 22-32 mmol/L |
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| Critical Calls: |
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View
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