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HelpTest ID BLOD1361 Alpha-1-Antitrypsin Phenotype, Serum
Useful For
Identification of homozygous and heterozygous phenotypes of the alpha-1-antitrypsin deficiency
Specimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1.25 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Day(s) Performed
Monday through Friday
Report Available
2 to 6 daysMethod Name
A1AP2: Isoelectric Focusing
AATP: Nephelometry
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82103
82104
Reporting Name
Alpha-1-Antitrypsin PhenotypeReference Values
ALPHA-1-ANTITRYPSIN
100-190 mg/dL
ALPHA-1-ANTITRYPSIN PHENOTYPE
The interpretive report will identify the alleles present. For rare alleles, the report will indicate whether or not they have been associated with reduced quantitative levels of alpha-1-antitrypsin.
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Secondary ID
26953Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| A1AP2 | Alpha-1-Antitrypsin Phenotype | No | Yes |
| AATP | Alpha-1-Antitrypsin, S | Yes, (Order AAT) | Yes |
Testing Algorithm
See Alpha-1-Antitrypsin-A Comprehensive Testing Algorithm in Special Instructions.
Special Instructions
Forms
If not ordering electronically, complete, print, and send 1 of the following with the specimen:
-Gastroenterology and Hepatology Test Request (T728)
-General Request (T239)
SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 13397 | Alpha-1-Antitrypsin Phenotype |
| 16140 | Alpha-1-Antitrypsin, S |