31310:ELECTROLYTE PANEL
Author PeaceHealth Laboratories
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| Methodology: |
Indirect Potentiometry, pH Rate of Change |
| Edit Date: |
1/14/2006 |
| Components: |
Carbon Dioxide (CO2) Content; Chloride (Cl); Potassium (K); Sodium (Na) |
| Performed: |
Daily |
| Released: |
Same day |
| CPT Code: |
80051 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin). Do not draw from an arm receiving an intravenous infusion. Patient should avoid exercising forearm before collection, which can cause an elevation in the potassium level. |
| Handling: |
Centrifuge SST and transport in original tube. Centrifuge green top tube within 30 minutes of collection and separate plasma into a plastic tube for transport. Refrigerate. |
| Standard Volume: |
2 mL serum or plasma. |
| Minimum Volume: |
0.5 mL serum or plasma. |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Gross hemolysis; tubes other than those specified. |
|
|
Components |
Sodium (Na) |
Potassium (K) |
Chloride (Cl) |
CO2 Content (CO2) |
|
Reference Range |
135-145 mEq/L |
3.5-5.2 mEq/L |
95-109 mEq/L |
<18 years:20-28 mEq/L; >18 years: 22-31 mEq/L |
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