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Test Name:
Hemoglobin, Unstable
- SBMF No:
44722 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
HGB UNSTAB - ABN:
Not required - CPT Code:
83068 - LOINC Code:
4639-1 - Ref Lab Test No:
0049020 - Also Known As:
Unstable Hemoglobin - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
2.0 mL - Patient Prep:
Collect Sunday through Thursday only - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Room temperature - Spec Stability:
24 hours room temperature (20-30°C) - Spec Reject:
Test results are unreliable in infants under 6 months of age - Spec Remarks:
Sample must be received at ARUP within 24 hours of collection; testing must be performed within 48 hours of collection.
DO NOT FREEZE - Methodology:
Visual Identification of Hemoglobin Precipitates - Clinical Significance:
Refer to:
- Reference Range:
- Hemoglobin, Unstable
- Negative
- Day Run:
Mon-Fri - Time Reported:
2-3 days - Test Type:
HEMATOLOGY
