Unstable Hemoglobin (Sendout)

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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
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.

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.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108

Billing & Coding

Billing Comments

CPT: 83068