Electrolyte Panel


Sunquest Code:BLYTE  
Epic Code:LAB4169Epic Name:Electrolyte Panel
Order Instructions:Order LYTEW for whole blood specimens.
Synonyms:Sodium; Potassium; Chloride; CO2; BLYTE
Methodology:See individual test listings
Test Includes:Anion gap, chloride, CO2, potassium, sodium
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Medical necessity for this panel is supportable by a single ICD9 code.
Associated Links:

Panel Codes


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Capillary (lithium heparin) gas tube, Green (lithium heparin) on ICE, Red (no gel), Red or gold (gel), Dry heparin syringe)
Collection Instructions:Do not allow patient to clench/unclench hand.
Causes for Rejection:Specimen not separated from cells within 2 hours of collection (4 hours for Home Health specimens).


Processing and Shipping

Specimen Processing:Process within 2 hours (4 hours for Home Health specimens). Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center)


Interpretive

Critical Range:

Na

Less than 120 mmol/L

Greater than 160 mmol/L

K

Less than 2.7 mmol/L

Greater than 6.0 mmol/L

CO2

Less than 11 mmol/L

Greater than 45 mmol/L

Cl

None

None

 

 

Reference Range:

 

Age

Na
mmol/L

K*
mmol/L

CO2
mmol/L

AnionGap
nMol/L

0-30 d

133-146

3.2-6.0

17-29

3-14

1-11 mo

133-143

3.2-6.0

17-29

3-14

1-15 y

133-143

3.4-5.3

20-32

3-14

16 y & older

133-144

3.4-5.3

20-32

3-14

*Serum values may be 0.1-0.2 mmol/L greater than plasma or whole blood values.

* Anion Gap calculation: Na-(Cl + CO2)

 

Chloride

 

Age

Male

mmol/L

Female

mmol/L

0-19 y

98-110

96-110

20 y & older

94-109

94-109

 

 



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