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HelpTest Code K Potassium
Specimen Information
Obtain specimen using standard phelbotomy techniques.
The patient should avoid any exercise of the arm or hand before or during collection because opening and closing the fist increases potassium concentration by 10% to 20%.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4.0 mL | 1.0 mL | 0.6 mL | 7 days |
| Lithium Heparin | Plasma | Refrigerate | 4.0 mL | 1.0 mL | 0.6 mL | 7 days |
Reject Due To:
- Moderate or Marked Hemolysis
- Specimen unlabeled or mislabeled
Instrumentation / Method
Ortho Vitros XT 7600 / Ion Selective Electrode
Test Schedule / Analytical Time / Test Priority
Daily / Same Day / Available STAT
Reference Range
Male and Female: 3.6 - 5.0 mmol/L
Critical Value(s): <3.0 or >6.2 mmol/L
CPT / LOINC / Order Code
| Meditech | Medent | LOINC | CPT |
| KS | KS | 2823-3 | 84132 |