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HelpOrder Code RAMBO Ammonium, Random, Urine
Useful For
Diagnosis of the cause of acidosis using random urine specimens
Diagnosis and treatment of kidney stones
Method Name
Enzymatic
Reporting Name
Ammonium, Random, USpecimen Type
UrineSpecimen Required
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Container/Tube: Plastic tube
Specimen Volume: 4 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 | 14 days | ||
| Ambient | 72 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Random: 3-65 mmol/L
No reference values established for <18 years and >77 years of age.
Method Description
Urine samples diluted 1:100 with clinical laboratory reagent water using a liquid handler are analyzed on a Roche Cobas 6000 c501 using Roche Diagnostics NH3L kit.(Package insert: Roche NH3L kit. Roche Diagnostics; V10/2016)
Day(s) Performed
Monday through Sunday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82140
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.