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Test Code BF34 Lytes (Na, K, Cl) - Urine 24HR

Synonym

  • ULYT

Profile Information

Reporting Name Available Separately Always Reported
Urine Sodium Yes Yes
Urine Sodium 24 HR Yes Yes
Urine Potassium Yes Yes
Urine Potassium 24 HR Yes Yes
Urine Chloride Yes Yes
Urine Chloride 24 HR Yes Yes

Specimen Required

Preferred Container/Tube: 24 Hour Urine Container
Acceptable Container/Tube: 24 Hour Urine Container
Specimen Volume: 3 mL
Specimen Minimum Volume: 2 mL

Specimen Stability Information

Ambient: 2 hours

Specimen Collection Information

For timed urines keep specimen in refrigerator during collection and for storage.

Rejection Due To

  • Unacceptable container type
  • Sample received past listed stability

Reference Values

Urine Sodium 24 HR
40-220 mmol/24 hrs

 

Urine Potassium 24 HR
25-125 mmol/24 hrs

 

Urine Chloride 24 HR
110-250 mmol/24 hrs

Method Description

NA/K/CL

Indirect ion-selective electrode

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

24 Hour Urine Lytes (Na, K, Cl)

CPT Code Information

84300
84133
82436
81050

LOINC Code Information

21525-1
21476-7
21194-6