Unstable Hemoglobin (Sendout)
General Information
- Lab Name
- Lab Code
- 179
- External Test Id
- 0049020
- Description
Ordering Recommendation: Used to confirm the unstable nature of hemoglobins. This test cannot be used on infants <6 months of age due to physiologically elevated Hb F levels.
- References
- ARUP Consult Topic: Unstable Hemoglobinopathies
- Synonyms
- 0049020, Hb Heat Sensitivity, Heat Stability Test, Isopropanol Stability Test, RBC Heat Stability
- Components
Interpretation
- Method
Visual Identification
- Reference Range
- Ref. Range Notes
Reference Interval: Negative - Interferences and Limitations
Test results are unreliable in infants younger than 6 months of age.
- References
- ARUP Consult Topic: Unstable Hemoglobinopathies
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
Collect 5 mL blood in LAVENDER TOP (EDTA) tube
- Handling Instructions
Outside Laboratories: Refrigerate whole blood in original collection tube while awaiting shipment. Transport with a cold pack. Do not centrifuge or freeze.
Stability: Refrigerated: 7 days; Ambient: Unacceptable; Frozen: Unacceptable.
- Quantity
-
Requested: 5 mL EDTA whole blood
Minimum: 2 mL EDTA whole blood
Processing
- Receiving Instructions
Refrigerate whole blood in original collection tube. Do not centrifuge or freeze.
Sendouts:
- Order ARUP Test: 0049020
- Interfaced: Yes [Interface: 602; Department: ARPR]
Stability: Refrigerated: 7 days; Ambient: Unacceptable; Frozen: Unacceptable.
- Misc Sendout
Performance
- Lab Department
- Frequency
- Performed: Monday through Friday. Reported: 1-5 days from sample receipt at ARUP Laboratories.
- Available STAT?
- No
- Performing Location(s)
-
Sendout ARUP Laboratories, Inc.
800-522-2787500 Chipeta Way
Salt Lake City, UT 84108
Billing & Coding
- Billing Comments
CPT: 83068