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HelpTest ID RCHLU Chloride, Random, Urine
Useful For
An indicator of fluid balance and acid-base homeostasis
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineSpecimen 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 Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| 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
CPT Code Information
82436
Reject Due To
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.
Secondary ID
610607Day(s) Performed
Monday through Sunday