Test Code LYTES Electrolyte Panel
Synonyms/Keywords
Lytes, Serum or Plasma, Electrolytes, Panel, Electrolyte, i-Stat Lytes
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma/Serum | Lithium-heparin Plasma Separator (PST), Serum Separator Tube (SST) | Lithium or Sodium-heparin Green Top (GTT), Red Top tube (RTT) | 1 mL | 0.4 mL | 0.5 mL whole blood |
| i-Stat only = Whole Blood | Lithium-heparin Green Top Tube (GTT) | 1 mL | 200 uL |
Collection/Processing Instructions
Samples collected in a RTT or GTT must be removed from the cells within one hour for storage or transport.
Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send the primary collection tube.
i-Stat: Sample must be tested within 10 minutes of collection.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma/Serum | Ambient | 24 hours |
| Refrigerate | 7 days | |
| Frozen | 3 months | |
| i-Stat Whole Blood | Ambient | 10 minutes |
Rejection Criteria
| Grossly hemolyzed specimens |
|---|
| i-Stat testing: clotted samples |
| i-Stat testing: anticoagulants other than lithium heparin |
Test Components
Panel includes: Sodium, Potassium, Chloride, Bicarbonate and calculated anion gap.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | See individual test listings for reference ranges. |
| See Critical Value List for list of current critical values | |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Weston | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Eau Claire | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Park Falls | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Ladysmith | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Rice Lake | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Marshfield | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Minocqua | Monday through Sunday | Less than 2 hours | ISE/Beckman AU |
| Stevens Point | Monday through Friday | Less than 2 hours | ISE/Beckman AU |
| Wisconsin Rapids | Monday through Friday | Less than 2 hours | ISE/Beckman AU |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 80051 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 80051 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Electrolyte Panel |