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Test ID RCHLU Chloride, Random, Urine

Useful For

An indicator of fluid balance and acid-base homeostasis

Method Name

Potentiometric, Indirect Ion-Selective Electrode (ISE)

Reporting Name

Chloride, Random, U

Specimen Type

Urine


Specimen Required


Supplies: Sarstedt 5 mL Aliquot Tube (T914)

Container/Tube: Plastic, 5-mL tube

Specimen Volume: 5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  30 days
  Ambient  7 days

Reference Values

No established reference values

Random urine chloride may be interpreted in conjunction with serum chloride, using both values to calculate fractional excretion of chloride.

 

The calculation for fractional excretion (FE) of chloride (Cl) is

FE(Cl) =(Cl [urine] x Creat [serum])/(Cl [serum] x Creat [urine]) x100

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82436

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RCHLU Chloride, Random, U 2078-4

 

Result ID Test Result Name Result LOINC Value
RCHLU Chloride, Random, U 2078-4

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.

Report Available

Same day/1 to 2 days