Sign in →

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