Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

ELECTROLYTE PANEL

General Information

Lab Order Codes:

LYTE

Synonyms:

Electrolytes; Lytes

CPT Codes:

80051 – Electrolyte panel

Test Includes:

Carbon Dioxide, Chloride, Potassium, Sodium concentrations reported in mEq/L, and AGAP (Anion Gap).

Logistics

Test Indications:

The maintenance of osmotic pressure and water distribution in the various body fluid compartments is primarily a function of the four major electrolytes, Na+, K+, Cl-, and HCO3-. In addition to water homeostasis, these electrolytes play an important part in the maintenance of pH, regulation of proper heart and muscle functions, involvement in electron transfer reactions, and participation in catalysis as cofactors for enzymes.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

4 hours

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) tube preferred
Alternate tube: Red top tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL serum/plasma

Collection:

Routine venipuncture. Mix tubes containing anticoagulant by gentle inversion.

Note: Venipuncture samples are preferred, but capillary specimens will be accepted.

Special Processing:

Lab Staff: Sample must be run within one hour of collection for CO2 stability. Centrifuge specimen, remove serum/plasma aliquot into a plastic sample cup. Avoid prolonged contact with separated cells. Store at refrigerated temperatures.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens; gross hemolysis

Interpretive

Reference Range:

See individual analyte procedures

Critical Values:

See individual analyte procedures

Limitations:

See individual analyte procedures

Methodology:

See individual analyte procedures

References:

See individual analyte procedures



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