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2011708
Alpha Globin (HBA1 and HBA2) Sequencing and Deletion/Duplication
HBA FGA
Ordering Recommendation
Comprehensive genetic test to detect alpha thalassemia or alpha thalassemia trait. For fetal testing, refer to Alpha Globin (HBA1 and HBA2) Sequencing and Deletion/Duplication, Fetal (3019566).
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Lavender (EDTA), pink (K2EDTA), or yellow (ACD solution A or B).
Specimen Preparation
Transport 3 mL whole blood. (Min: 2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Frozen specimens
Remarks
Stability
Ambient: 1 week; Refrigerated: 1 month; Frozen: unacceptable
Methodology
Multiplex Ligation-Dependent Probe Amplification (MLPA)/Sequencing/Polymerase Chain Reaction (PCR)
Performed
Varies
Reported
14-21 days
Reference Interval
Interpretive Data
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
04/14/2025
X
N/A
CPT Codes
81259; 81269
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2011709 | HBA Seq, Del/Dup Specimen | 66746-9 |
| 2011710 | HBA Seq, Del/Dup Interp | 35474-6 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Alpha Globin (HBA1 and HBA2) Sequencing and Deletion/Duplication
