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HelpTest Code UHSD2 Hemosiderin, Random, Urine
Specimen Required
Container/Tube: Plastic urine container
Specimen Volume: 13 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Secondary ID
620554Useful For
Detecting hemosiderinuria, secondary to excess hemolysis, as in incompatible blood transfusions, severe acute hemolytic anemia, or hemochromatosis for external patients.
Method Name
Rous Method
Specimen Type
UrineSpecimen Minimum Volume
12 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 7 days | |
| Frozen | 7 days | ||
| Ambient | 2 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Negative
Interpretation
A positive hemosiderin indicates excess red cell destruction.
Method Description
The Prussian blue reaction is used to demonstrate hemosiderin as first described by Rous in 1918.(Brunzel N. Microscopic examination of urine sediment. Fundamentals of Urine and Body Fluid Analysis. 4th ed. Saunders; 2018:392)
Day(s) Performed
Monday through Sunday
Report Available
1 daySpecimen Retention Time
2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83070
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| UHSD2 | Hemosiderin, Random, U | 4644-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| HSDU2 | Hemosiderin, Random, U | 4644-1 |