Home
HelpTest Code RCHLU Chloride, Random, 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.
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.
Useful For
An indicator of fluid balance and acid-base homeostasis
Method Name
Potentiometric, Indirect Ion-Selective Electrode (ISE)
Reporting Name
Chloride, Random, USpecimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days | ||
| Ambient | 7 days |
Reject Due To
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
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
Performing Laboratory
Mayo Clinic Laboratories in Rochester
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.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 |
Day(s) Performed
Monday through Sunday