Test Code LAB73 Immunoglobulin A Level
Clinical System Name
Immunoglobulin A Level
Synonyms
IgA
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Gold Microtainer, Red, Lt. Green/Lithium Heparin
Preferred Vol: 2.0 mL
Minimum Vol: 1.0 mL
Note: Can share volume with IgG and IgM.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA refrigerator, FrigA rack.
Off-site collection: Spin and aliquot 0.5 mL serum/plasma in plastic tube. Send refrigerated.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| gel separator with serum/plasma | Refrigerated | 48 h |
| separated serum/plasma | Room temp | 2 h |
| Refrigerated | 7 d | |
| Frozen -20 C | 1 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M-F, day shift | 1-3 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem Lab
Phone Number: (206) 987-2617
Methodology
Method: Ortho Vitros 4600
Analytical Volume: 0.1 mL serum/plasma
Limitations:
Reference Range
| Age | Range (mg/dL) |
|---|---|
| 0 up to 6 months | < 49 |
| 6 months up to 1 year | 8 - 89 |
| 1 year up to 3 years | 8 - 94 |
| 3 years up to 6 years | 26 - 168 |
| 6 years up to 14 years | 44 - 255 |
| 14 years up to 19 years | 44 - 343 |
| 19 years and older | 70 - 400 |
CPT Codes
82784