Immunoglobulin A
0050340
Ordering Recommendation
Submit With Order
Mnemonic
IGA
Methodology
Quantitative Nephelometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or green (sodium or lithium heparin).  
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.4 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Hemolyzed specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)  
Reference Interval
0-​30 days: 1-​7 mg/dL
1 month: 1-​53 mg/dL
2 months: 3-​47 mg/dL
3 months: 5-​46 mg/dL
4 months: 4-​72 mg/dL
5 months: 8-​83 mg/dL
6 months: 8-​67 mg/dL
7-​8 months: 11-​89 mg/dL
9-​11 months: 16-​83 mg/dL
1 year: 14-​105 mg/dL
2 years: 14-​122 mg/dL
3 years: 22-​157 mg/dL
4 years: 25-​152 mg/dL
5-​7 years: 33-​200 mg/dL
8-​9 years: 45-​234 mg/dL
10 years and older: 68-​378 mg/dL
Interpretive Data
Note
CPT Code(s)
82784
Components
Component Test Code*Component Chart Name
0050340Immunoglobulin A
* 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.
Cross References
  • IgA
  • IgA, Serum
  • Immunoglobulin A