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HelpTest Code FADBC Adenosine Deaminase, RBC
Specimen Required
Container/Tube: Lavender top (EDTA), pink top (K2 EDTA), or green top (sodium or lithium heparin)
Specimen Volume: 1 mL
Collection Instructions:
1. Send whole blood in original tube.
2. Send refrigerated.
Secondary ID
75553Method Name
Kinetic Spectrophotometry
Reporting Name
Adenosine Deaminase RBCSpecimen Type
Whole Blood EDTASpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 15 days |
| Ambient | 15 days |
Reject Due To
| Hemolysis | Reject |
Reference Values
400-900 mU/g Hb
Interpretation
Affected individuals have less than 1% of normal adenosine deaminase (ADA) catalytic activity in red cell hemolysates. ADA deficiency is the cause of 20% to 30% of severe combined immunodeficiency (SCID) cases. If the patient has been recently transfused, ADA deficiency may be masked; interpret results with caution. Heterozygotes cannot be identified by this test.
Day(s) Performed
Tuesday, Thursday, Sunday
Report Available
3 to 11 daysPerforming Laboratory
ARUP LaboratoriesTest Classification
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.CPT Code Information
84311
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FADBC | Adenosine Deaminase RBC | 47549-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FADBC | Adenosine Deaminase RBC | 47549-1 |
Clinical Information
Refer to https://ltd.aruplab.com/