0093149
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Immunoglobulin A Subclasses (1 and 2)

IGA SUB
Example Reports
Abnormal
Normal

Ordering Recommendation

Aid in diagnosis and monitoring of immune disorder due to IgA deficiency.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.7 mL)

Storage/Transport Temperature

Refrigerated

Unacceptable Conditions

Grossly hemolyzed or lipemic specimens

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 14 days; Frozen: 6 months

Methodology

Quantitative Immunoturbidimetry

Performed

Wed, Sat

Reported

1-5 days

Reference Interval

Test Number
 Components
 Reference Interval
  Immunoglobulin A
Age Reference Interval (mg/dL)
0-2 years 2-126
3-4 years 14-212
5-9 years 52-226
10-14 years 42-345
15-18 years 60-349
19 years and older 68-408

  Immunoglobulin A Subclass 1
Age Reference Interval (mg/dL)
0-2 years 3-145
3-4 years 22-278
5-9 years 43-337
10-14 years 37-430
15-18 years 76-394
19 years and older 60-294

  Immunoglobulin A Subclass 2
Age
 Reference Interval (mg/dL)
0-2 years 1-15
3-4 years 3-44
5-9 years 7-56
10-14 years 1-109
15-18 years 14-54
19 years and older 6-61

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

82784; 82787 x2

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Components

Component Test Code* Component Chart Name LOINC
0050340 Immunoglobulin A 2458-8
0093150 Immunoglobulin A Subclass 1 6886-6
0093151 Immunoglobulin A Subclass 2 6939-3
* 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
Immunoglobulin A Subclasses (1 and 2)