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Test Code IGAS IgA Subclasses, Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable:  Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Ambient  7 days
  Frozen  7 days

Reference Values

IgA

1-3.9 years: 5-194 mg/dL

4-6.9 years: 16-210 mg/dL

7-9.9 years: 27-227 mg/dL

10-11.9 years: 35-241 mg/dL

12-13.9 years: 43-252 mg/dL

14-15.9 years: 50-263 mg/dL

16-17.9 years: 57-274 mg/dL

>18 years: 85-499 mg/dL

 

IgA1

1-3.9 years: 6-163 mg/dL

4-6.9 years: 16-186 mg/dL

7-9.9 years: 26-209 mg/dL

10-11.9 years: 34-228 mg/dL

12-13.9 years: 40-243 mg/dL

14-15.9 years: 46-259 mg/dL

16-17.9 years: 53-274 mg/dL

>18 years: 76-328 mg/dL

 

IgA2

1-3.9 years: <0.5-12.4 mg/dL

4-6.9 years: <0.5-25.7 mg/dL

7-9.9 years: 1.5-38.9 mg/dL

10-11.9 years: 2.9-49.9 mg/dL

12-13.9 years: 4.0-58.7 mg/dL

14-15.9 years: 5.2-67.5 mg/dL

16-17.9 years: 6.3-76.3 mg/dL

>18 years: 6.9-114.3 mg/dL

Day(s) Performed

Tuesday, Friday

CPT Code Information

82784

82787 x 2

Report Available

Same day/1 to 3 days

Specimen Retention Time

14 days

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK