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22427 Chloride

Chloride
Test Code: CL
Synonyms/Keywords
Chloride-Blood, i-Stat Chloride
Useful For
Chloride measurements are used in the diagnosis and treatment of electrolyte and metabolic disorders such as cystic fibrosis and diabetic acidosis.​
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​ 0.3 mL​ 0.5 mL whole blood​
​i-Stat only = Whole Blood ​Lithium-heparin Green Top Tube (GTT) ​1 mL ​200 uL
Collection Processing Instructions
Stat orders will be run locally on the i-Stat.  Non-stat orders will be sent to Marshfield for analysis.
​i-Stat:  Sample must be tested within 10 minutes of collection.
Specimen Stability Information
Specimen Type Temperature Time
Plasma​/Serum ​ ​ Ambient​ 5 days​
Refrigerate​ 7 days​
Frozen​ 3 months​
​i-Stat Whole Blood ​Ambient ​10 minutes
Rejection Criteria
Samples collected with EDTA preservative
​i-Stat testing:  clotted samples
​i-Stat testing:  anticoagulants other than lithium heparin
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Bloomer ​​Monday through Friday 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cadott ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Chetek ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Chippewa Falls ​​​Monday through Friday ​Less than 2 hours​ ​ISE/Siemens Dimension
​Colby/Abbotsford ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cornell ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cumberland ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Eagle River ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Eau Claire ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Hayward ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Ladysmith Medical Center ​​​Monday through Sunday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Lake Hallie ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ Less than 2 hours​​ ​​ISE/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ ISE Assay/Beckman AU
​Mercer ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Merrill ​Monday through Saturday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Minocqua ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Mosinee ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Neillsville​Monday through Sunday​Less than 2 hoursISE/Siemens Dimension​
​Oakwood ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Phillips​ ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Rhinelander​ ​Monday through Friday 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours​
Urease GLDH Rate Assay/Beckman AU
​Ion-Selective Electrode/i-Stat​
​Stettin ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Stevens Point ​​​Monday through Friday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Wausau ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Wisconsin Rapids ​​​Monday through Friday ​Less than 2 hours​ ​​ISE/Siemens Dimension
Wittenberg​ ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
 ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Reference Range Information
Performing Location Reference Range
All Performing Sites 96-109 mmol/L  ​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
82435 ​
Synonyms/Keywords
Chloride-Blood, i-Stat Chloride
Ordering Applications
Ordering Application Description
​Centricity ​Chloride, Blood
​Cerner ​Chloride Level
​COM ​Chloride - Blood
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 (GTT), Red Top Tube (RTT)
1 mL​ 0.3 mL​ 0.5 mL whole blood​
​i-Stat only = Whole Blood ​Lithium-heparin Green Top Tube (GTT) ​1 mL ​200 uL
Collection Processing
Stat orders will be run locally on the i-Stat.  Non-stat orders will be sent to Marshfield for analysis.
​i-Stat:  Sample must be tested within 10 minutes of collection.
Specimen Stability Information
Specimen Type Temperature Time
Plasma​/Serum ​ ​ Ambient​ 5 days​
Refrigerate​ 7 days​
Frozen​ 3 months​
​i-Stat Whole Blood ​Ambient ​10 minutes
Rejection Criteria
Samples collected with EDTA preservative
​i-Stat testing:  clotted samples
​i-Stat testing:  anticoagulants other than lithium heparin
Useful For
Chloride measurements are used in the diagnosis and treatment of electrolyte and metabolic disorders such as cystic fibrosis and diabetic acidosis.​
Reference Range Information
Performing Location Reference Range
All Performing Sites 96-109 mmol/L  ​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Bloomer ​​Monday through Friday 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cadott ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Chetek ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Chippewa Falls ​​​Monday through Friday ​Less than 2 hours​ ​ISE/Siemens Dimension
​Colby/Abbotsford ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cornell ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Cumberland ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Eagle River ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Eau Claire ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Hayward ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Ladysmith Medical Center ​​​Monday through Sunday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Lake Hallie ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ Less than 2 hours​​ ​​ISE/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ ISE Assay/Beckman AU
​Mercer ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Merrill ​Monday through Saturday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Minocqua ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Mosinee ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Neillsville​Monday through Sunday​Less than 2 hoursISE/Siemens Dimension​
​Oakwood ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
​​ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Phillips​ ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
Rhinelander​ ​Monday through Friday 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours​
Urease GLDH Rate Assay/Beckman AU
​Ion-Selective Electrode/i-Stat​
​Stettin ​​​Monday through Friday
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
​Stevens Point ​​​Monday through Friday ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Wausau ​Monday through Sunday​ ​Less than 2 hours​ ​​ISE/Siemens Dimension
​Wisconsin Rapids ​​​Monday through Friday ​Less than 2 hours​ ​​ISE/Siemens Dimension
Wittenberg​ ​​​Monday through Friday
​​ 1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
 ISE Assay/Beckman AU
​Ion-Selective Electrode Potentiometry/i-Stat
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
82435 ​
For most current information refer to the Marshfield Laboratory online reference manual.