Potassium, Post
| Specimen | Plasma |
| Container Type | Gold/White Top Tube |
| Stability | 7 days |
| Report Available | 1 day |
| Methodology | Indirect Ion Selective Electrode (ISE) |
| Reference Range | 3.4 – 5.0 mEq/L |
| Transport Temp | Refrigerate 2°-8°C |
| Instructions | Avoid hemolysis. Use slow flow/stop pump sampling technique as described in the “Specimen Collection and Handling” section of this manual under “Post Dialysis Sampling”. Identify post dialysis tube with barcode label GOLD/WHITE ***POST***. |
| CPT Code | 84132 |

