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Laboratory Medicine

Test catalogue

Electrolytes, Urine ( Urine Lytes, NA, K CL, CO2)

Test Name

Electrolytes, Urine ( Urine Lytes, NA, K CL, CO2)

Urine sample Specimen Type / Requirements

Container Type = Small orange cap container

Minimum Volume = 5 mL urine

Specimen Handling

Collection Instructions: Collect Random Urine in a small orange cap container. Indicate date and time of Collection

Laboratory Staff Instructions: Create an aliquot from the sample and Centrifuge before placing on automation line using the bypass rack.

Sample Rejection Criteria: Urine collected with acid / alkaline or leaking specimen will be rejected

Stability:Urine random and 24h collection without preservative is stable for 24 h at room temperature, 2 weeks refrigerated and frozen at -15 to -20°C for 3 months.

Transportation: Send sample to core lab ASAP

Required Documentation

Turnaround Time (TAT)

1 Day

Test Utilization

Reference Value

Sodium: 31-169 mmol/L

Potassium : 16-144 mmol/L

Chloride:110 - 250 mmol/dRandom,

Test Code



Indirect ISE

Testing Location


Other Information

Last Updated: September 30, 2019