Alpha-1-Antitrypsin Phenotype by Electrophoresis
Test Mnemonic
A1APHE
CPT Codes
- 82103 - QTY (1)
- 82104 - QTY (1)
Performing Laboratory
ARUP
FDA Category
Analyte Specific Reagent
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Refrigerated | Transfer 1 mL serum to standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Transfer 1 mL serum to standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 1 week |
| Refrigerated | After separation from cells: 3 months |
| Frozen | After separation from cells: 3 months (Avoid repeated freeze/thaw cycles) |
Days Performed
Sun - Sat
Turnaround Time
3 - 5 days
Methodology
| Name | Description |
|---|---|
| Immunoturbidometric Assay | |
| Isoelectric Focusing |
Reference Range
| Alpha1 Antitry Serum | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 90 - 200 | mg/dL |
Special Info
Grossly hemolyzed specimens will be rejected. This test is New York DOH approved.
Clinical Info
Use to determine specific AAT protein variant(s) in individual with decreased concentration of AAT (< 90 mg/dL). Interpret with caution if the patient has been transfused within the previous 21 days.