Immunoglobulin A Subclasses (1&2)
0093149
Ordering Recommendation
 
Mnemonic
IGA SUB
Methodology
Quantitative Nephelometry
Performed
Wed, Sat
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube or green (sodium or lithium heparin).  
Specimen Preparation
Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.45 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
  
Remarks
  
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 8 days; Frozen: 6 months  
Reference Interval
 
 
Test Number Components Reference Interval
0050340Immunoglobulin A  
 
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
 Immunoglobulin A Subclass 1 0-​11 months: 1-​115 mg/dL
1 year: 3-​120 mg/dL
2 years: 7-​132 mg/dL
3 years: 11-​143 mg/dL
4-​7 years: 23-​175 mg/dL
8-​11 years: 33-​204 mg/dL
12-​18 years: 47-​249 mg/dL
Adult: 60-​294 mg/dL
 Immunoglobulin A Subclass 2 0-​11 months: 0-​19 mg/dL
1 year: 0-​23 mg/dL
2 years: 1-​23 mg/dL
3 years: 1-​25 mg/dL
4-​7 years: 2-​33 mg/dL
8-​11 years: 2-​37 mg/dL
12-​18 years: 4-​50 mg/dL
Adult: 6-​61 mg/dL
Interpretive Data
 
Note
 
CPT Code(s)
82784; 82787 x2
Components
Component Test Code*Component Chart NameLOINC
0050340Immunoglobulin A2458-8
0093150Immunoglobulin A Subclass 16886-6
0093151Immunoglobulin A Subclass 26939-3
* 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.
Aliases
  • IgA
  • IgA 1 and 2
  • IgA Subclasses with T otal IgA (Immunoglobulin A Subclasses (1&2))
  • Immunoglobulin A