Immunoglobulin A Subclasses (1 and 2)

0093149
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Example Reports
Abnormal
Normal

Ordering Recommendation

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

Mnemonic

IGA SUB

Methodology

Quantitative Immunoturbidimetry

Performed

Wed, Sat

Reported

1-5 days

New York DOH Approval Status

This test is New York DOH 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

Reference Interval

Effective February 16, 2021

Test Number
 Components
 Reference Interval
0050340 Immunoglobulin A Effective February 16, 2021
0-2 years: 2-126 mg/dL
3-4 years: 14-212 mg/dL
5-9 years: 52-226 mg/dL
10-14 years: 42-345 mg/dL
15-18 years: 60-349 mg/dL
19 years and older: 68-408 mg/dL

  Immunoglobulin A Subclass 1 0-2 years: 3-145 mg/dL
3-4 years: 22-278 mg/dL
5-9 years: 43-337 mg/dL
10-14 years: 37-430 mg/dL
15-18 years: 76-394 mg/dL
19 years and older: 60-294 mg/dL
  Immunoglobulin A Subclass 2 0-2 years: 1-15 mg/dL
3-4 years: 3-44 mg/dL
5-9 years: 7-56 mg/dL
10-14 years: 1-109 mg/dL
15-18 years: 14-54 mg/dL
19 years and older: 6-61 mg/dL

Interpretive Data



Compliance Category

FDA

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
02/16/2021
X
X
X
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)