Plasma Potassium KPL
| Method(s) | Ion Selective Electrode |
|---|---|
| Specimen Required | |
| Collect | One green (lithium heparin) top tube. Also acceptable: sodium heparin. Separate plasma from cells within 2 hours via centrifugation (light green) or aliquotting (dark green). |
| Transport | 1 mL plasma at 2-8ºC. |
| Remarks | Plasma must be separated from cells within 2 hours. |
| Stability | Refrigerated: 7 days if separated from cells within 2 hours |
| Schedule | Daily-24 hours per day |
| Billing Code | 1010514 |
| CPTCode | 84132 |
| Notes | Use KPL when plasma K is specifically requested in conjunction with or in place of serum K. |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
3.5 - 5.1 mmol/L |
|
