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Epic Code LAB16 Electrolyte Panel

Test Name Alias

Electrolytes | Lytes | 8134

Interface Order Alias

10038

Panel Information

Panel includes:

Bicarbonate (HCO3)

 Calculated Anion Gap
Chloride (Cl) Potassium (K)
Sodium (Na)  

 

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 4.5 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • Avoid Hemolysis.
  • Use sample free of gross lipemia.
  • Prolonged exposure to air will falsely decrease bicarbonate results
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Plasma or Serum

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Plasma is preferred specimen type
  • Green Tube/Plasma: Centrifuge after collection.
  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
  • Minimum plasma/serum: 0.5 mL
  • Prolonged exposure to air will falsely decrease bicarbonate results

Transport Temperature: Refrigerate

Specimen Stability

Ambient: 12 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

SODIUM

0 up to 3 Years: 132-144 mmol/L

3 Years up to 18 Years: 134-146 mmol/L

18 Years and up: 134-146 mmol/L

 

POTASSIUM

0 up to 3 Days: 4.5-6.5 mmol/L

3 Days up to 90 Days: 3.8-5.5 mmol/L

90 Days and up: 3.4-5.0 mmol/L

 

CHLORIDE

98-112 mmol/L

 

HCO3

0 up to 3 Years: 20-26 mmol/L

3 Years and up: 21-29 mmol/L

 

ANION GAP

5-14 mmol/L

 

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Kelsey Laboratory, Lakeview, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

Methodology

See individual analytes for methodology (see related tests below).

CPT

80051

CDM Code

3008005101

Epic Test ID

1230100641

LOINC

Sodium Lvl: 2951-2

Potassium Lvl: 2823-3

Chloride: 2075-0

HCO3: 1962-0

Anion Gap: 33037-3

Reviewed Date

3/7/2024

Updated Date

2/7/24 - Anion Gap Reference Range