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

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

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)