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Epic Test Code N/A Anion Gap (Electrolyte Profile Parameter)

Performing Location(s)

BMC,CRH,LFH,HRK,OCH,FTT,FOX,FCC

Specimen Type

Serum or Plasma

Preferred Container

Gold top tube

Alternate Container

Green or Red top tube

Minimum Volume to Submit for Testing

0.5 mL serum/plasma

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Blood Tube Draw Volume

Min 50% draw volume  

Storage Requirements

Sample tubes should be centrifuged within 2 hours of collection followed by transfer of the serum (red or gold top) or plasma (green top) to a labeled plastic, aliquot tube.

Transportation Needs

Deliver specimen to the laboratory within 2 hours of collection.

Includes

Calculated Anion Gap

Reference Ranges

Population Units Reference Range
All Populations mmol/L 6-14

 

Causes for Rejection

Hemolysis

Less than 50% draw for Vacutainer tubes
> 7 days Refrigerated
>24 hrs Room Temperature
Blood collected in a sodium heparin tube (dark green)

Days of Analysis

All

Available STAT

Yes

Methodology

Calculated from components of Electrolyte Panel AG=Na-(CL+CO2)

CPT Code

Sodium: 84295   Potassium: 84132   Chloride: 82435   Carbon Dioxide: 82374

Last Updated

29-Mar-19