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Test Code IGGSM IgG Subclasses, Serum

Additional Codes

EPIC EAP  Mayo
LAB1001 IGGS

 

Reporting Name

IgG Subclasses, S

Useful For

Second-order testing for evaluation of patients with clinical signs and symptoms of humoral immunodeficiency or combined immunodeficiency (cellular and humoral)

Method Name

Turbidimetry

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


If testing for immunoglobulin subclass IgG4-related disease, the most appropriate test to order is IGGS4 / IgG4, Immunoglobulin Subclasses, Serum.



Specimen Required


Patient Preparation:

Fasting: 12 hours, preferred but not 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 serum

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


Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Day(s) Performed

Monday through Friday

CPT Code Information

82784

82787 x 4

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IGGS IgG Subclasses, S 47289-4

 

Result ID Test Result Name Result LOINC Value
T_IGG Total IgG 2465-3
IGG1 IgG 1 2466-1
IGG2 IgG 2 2467-9
IGG3 IgG 3 2468-7
IGG4 IgG 4 2469-5

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

Same day/1 to 3 days

Forms

If not ordering electronically, complete, print, and send General Request (T239)