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HelpTest Code CITR2 Citrate Concentration, Random, Urine
Specimen Required
Only orderable as part of a profile. For more information see CITRA / Citrate Excretion, Random, Urine.
Patient Preparation: Any drug that causes alkalemia or acidemia may be expected to alter citrate excretion and should be avoided, if possible. The patient must avoid laxative use for24 hours prior to collection.
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Container/Tube: Plastic, 5-mL tube
Specimen Volume: 4 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Useful For
Diagnosing risk factors for patients with calcium kidney stones
Monitoring results of therapy in patients with calcium stones or renal tubular acidosis
Reporting Name
Citrate Concentration, Random, USpecimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Only orderable as part of a profile. For more information see CITRA / Citrate Excretion, Random, Urine.
No established reference values
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 daySpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82507
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CITR2 | Citrate Concentration, Random, U | 2128-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CITR2 | Citrate Concentration, Random, U | 2128-7 |