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22419 Chemistry 24 Panel

Chemistry 24 Panel
Test Code: C
Synonyms/Keywords
Chem 24 panel, Chem 24, Chem 24 Profile​
Test Components
Albumin, Alkaline Phosphatase, Alanine Amino Transferase, Aspartate Amino Transferase, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Total Bilirubin, Direct Bilirubin, Indirect Bilirubin, Gamma Glutamyl Transferase, Lactate Dehydrogenase, Total Protein, Anion Gap, Uric Acid, Phosphorus, Cholesterol, Triglycerides, LDL Cholesterol, A/G ratio, and BUN/Creat Ratio​
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 Tube (GTT), Red Top Tube (RTT) 2 mL​ 0.5 mL​ ​0.8 mL Whole Blood
Collection Processing Instructions
Test panel includes bilirubin which is light sensitive, minimize light exposure during storage/transport.
 
Samples collected in a RTT or GTT must be removed from 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. ​
Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ ​ ​ Ambient 1 day​
​Refrigerated​2 days
​Frozen​2 months
Rejection Criteria
Grossly hemolyzed samples
Specimens not separated from cells within 2 hours​
Drug Eltrombopag: interferes with the total bilirubin assays​
Interference
Hemolyzed samples will falsely increase K and AST
Exposure to light will falsely decrease TBIL​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ 2-4 hours​ See individual test for methodology/ Beckman DXC​
Test Information
Medicare patients must sign a waiver before specimen is collected since Medicare considers this a non-covered screening panel.  Individual tests ordered for diagnostic purposes are covered.​
Reference Range Information
Performing Location Reference Range
Marshfield ​ See individual test listings for reference ranges​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
80053 ​ ​ ​ ​​Metabolic Panel, Comprehensive ​
82374​ ​ ​ ​​CO2 ​
82465​ ​ ​ ​​Cholesterol ​
82977​ ​ ​ ​​GGT ​
83615​ ​ ​ ​​LDH ​
84100​ ​ ​ ​​Phosphorus ​
84478​ ​ ​ ​Triglyceride ​
Synonyms/Keywords
Chem 24 panel, Chem 24, Chem 24 Profile​
Test Components
Albumin, Alkaline Phosphatase, Alanine Amino Transferase, Aspartate Amino Transferase, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Total Bilirubin, Direct Bilirubin, Indirect Bilirubin, Gamma Glutamyl Transferase, Lactate Dehydrogenase, Total Protein, Anion Gap, Uric Acid, Phosphorus, Cholesterol, Triglycerides, LDL Cholesterol, A/G ratio, and BUN/Creat Ratio​
Ordering Applications
Ordering Application Description
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/Serum Lithium-heparin Plasma Separator (PST), Serum Separator Tube (SST) ​Lithium or Sodium-heparin Green Top Tube (GTT), Red Top Tube (RTT) 2 mL​ 0.5 mL​ ​0.8 mL Whole Blood
Collection Processing
Test panel includes bilirubin which is light sensitive, minimize light exposure during storage/transport.
 
Samples collected in a RTT or GTT must be removed from 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. ​
Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ ​ ​ Ambient 1 day​
​Refrigerated​2 days
​Frozen​2 months
Rejection Criteria
Grossly hemolyzed samples
Specimens not separated from cells within 2 hours​
Drug Eltrombopag: interferes with the total bilirubin assays​
Interference
Hemolyzed samples will falsely increase K and AST
Exposure to light will falsely decrease TBIL​
Test Components
Albumin, Alkaline Phosphatase, Alanine Amino Transferase, Aspartate Amino Transferase, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Total Bilirubin, Direct Bilirubin, Indirect Bilirubin, Gamma Glutamyl Transferase, Lactate Dehydrogenase, Total Protein, Anion Gap, Uric Acid, Phosphorus, Cholesterol, Triglycerides, LDL Cholesterol, A/G ratio, and BUN/Creat Ratio​
Reference Range Information
Performing Location Reference Range
Marshfield ​ See individual test listings for reference ranges​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ 2-4 hours​ See individual test for methodology/ Beckman DXC​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
80053 ​ ​ ​ ​​Metabolic Panel, Comprehensive ​
82374​ ​ ​ ​​CO2 ​
82465​ ​ ​ ​​Cholesterol ​
82977​ ​ ​ ​​GGT ​
83615​ ​ ​ ​​LDH ​
84100​ ​ ​ ​​Phosphorus ​
84478​ ​ ​ ​Triglyceride ​
For most current information refer to the Marshfield Laboratory online reference manual.