Hemoglobin (Hb), Free, Qualitative, Urine
Also known as: Urine Hb, Free
Use
Determine the presence of hemoglobinuria
Special Instructions
Turnaround time is typically between 1 and 2 days from specimen pickup to reporting. Ensure proper labeling and correct specimen type to avoid rejection.
Limitations
The test is limited to the detection of free hemoglobin in urine. Grossly bloody specimens, or those with color interference, may lead to inaccurate results. Improperly labeled or aged specimens beyond specified conditions may result in rejection.
Methodology
Automated Analyzer
Biomarkers
LOINC Codes
- 33411-0
- 33411-0
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
2 to 10 mL
Minimum Volume
1 mL
Container
Routine BD urinalysis tube or urine container of freshly voided random urine
Storage Instructions
Refrigerate
Causes for Rejection
Improper labeling; grossly bloody specimen; specimen with color interference; urine containers without additive nonrefrigerated; urine containers (no additive) more than 48 hours old; BD urine transport tubes more than 72 hours old
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 48 hours for containers without additive; 72 hours for BD urine transport tubes |