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22856 Renal Function Panel

Renal Function Panel
Test Code: RFP
Synonyms/Keywords
 Kidney Panel​
Test Components
Albumin, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Phosphorus, Anion Gap, and Estimated glomerular filtration rate ​
Useful For
Provides a quick check of kidney function, and electrolyte and fluid balance.​
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​/SerumLithium-heparin Plasma Separator (PST)​, Serum Separator Tube (SST)Lithium or Sodium-heparin Green Top (GTT), Red Top Tube (RTT)2 mL​0.5 mL​0.8 mL whole blood​
Collection Processing Instructions

Samples collected in non-gel tubes must be centrifuged, plasma/serum removed, and aliquoted from cells within one hour.
Samples collected in gel tubes should be centrifuged within one hour of collection.
Samples being sent from regional/outreach centers should not be sent tubes on gel, please aliquot and send.

Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ ​ ​ Ambient​ 8 hours​
Refrigerate​ 2 days​
Frozen​ 2 months​
Rejection Criteria
Grossly hemolyzed samples
Sample not centrifuged and removed from cells within 2 hours​
Interference
Hemolyzed samples will falsely increase Potassium.​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Chippewa Falls ​Monday through Friday ​Less than 2 hours​ ​See individual test for methodology/Siemens Dimension
​Diagnostic Treatment Center ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Eau Claire ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Ladysmith Medical Center ​​Monday through Sunday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ See individual test for methodology/Beckman AU
Merrill​ ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Minocqua ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Neillsville​Monday through Sunday​​Less than 2 hours​​See individual test for methodology/Siemens Dimension
​Stevens Point ​​Monday through Friday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Wausau ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Wisconsin Rapids ​​Monday through Friday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
Reference Range Information
Performing Location Reference Range
All Performing Sites
See individual test listings for reference ranges.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
80069 ​
Synonyms/Keywords
 Kidney Panel​
Test Components
Albumin, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Phosphorus, Anion Gap, and Estimated glomerular filtration rate ​
Ordering Applications
Ordering Application Description
​Centricity ​Renal Function Panel
​Cerner ​Renal Function Panel
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
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​/SerumLithium-heparin Plasma Separator (PST)​, Serum Separator Tube (SST)Lithium or Sodium-heparin Green Top (GTT), Red Top Tube (RTT)2 mL​0.5 mL​0.8 mL whole blood​
Collection Processing

Samples collected in non-gel tubes must be centrifuged, plasma/serum removed, and aliquoted from cells within one hour.
Samples collected in gel tubes should be centrifuged within one hour of collection.
Samples being sent from regional/outreach centers should not be sent tubes on gel, please aliquot and send.

Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ ​ ​ Ambient​ 8 hours​
Refrigerate​ 2 days​
Frozen​ 2 months​
Rejection Criteria
Grossly hemolyzed samples
Sample not centrifuged and removed from cells within 2 hours​
Interference
Hemolyzed samples will falsely increase Potassium.​
Useful For
Provides a quick check of kidney function, and electrolyte and fluid balance.​
Test Components
Albumin, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Phosphorus, Anion Gap, and Estimated glomerular filtration rate ​
Reference Range Information
Performing Location Reference Range
All Performing Sites
See individual test listings for reference ranges.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Chippewa Falls ​Monday through Friday ​Less than 2 hours​ ​See individual test for methodology/Siemens Dimension
​Diagnostic Treatment Center ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Eau Claire ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Ladysmith Medical Center ​​Monday through Sunday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ See individual test for methodology/Beckman AU
Merrill​ ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Minocqua ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Neillsville​Monday through Sunday​​Less than 2 hours​​See individual test for methodology/Siemens Dimension
​Stevens Point ​​Monday through Friday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Wausau ​Monday through Sunday​ ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
​Wisconsin Rapids ​​Monday through Friday ​Less than 2 hours​ ​​See individual test for methodology/Siemens Dimension
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
80069 ​
For most current information refer to the Marshfield Laboratory online reference manual.