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Test ID BLOD0124 Cutaneous Immunofluorescence Antibodies, IgG and IgG4, Serum

Useful For

Confirming the presence of IgG and/or IgG4 antibodies to diagnose pemphigoid, pemphigus, epidermolysis bullosa acquisita, or bullous lupus erythematosus

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

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


Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  30 days
  Ambient  14 days

Day(s) Performed

Monday through Friday

Report Available

2 to 7 days

Method Name

Indirect Immunofluorescence Assay (IFA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

88346

88350

88350 (if appropriate)

Reporting Name

Cutaneous Immfluor. Ab, IgG/IgG4, S

Reference Values

Negative in normal individuals

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Secondary ID

8052

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
CIFST CIFS Titer, IgG, S No No

Testing Algorithm

If IgG anti-cell surface or anti-basement membrane zone antibodies are present, then the IgG antibody titer will be reflexed and performed at an additional charge.

Sanford Laboratories - Enterprise Additional Information:

SANFORD LABORATORY INTERFACE BUILD INFORMATION

Cutaneous IFA [BLOD0124]

Result Code  Result Code Description 
 13225  Cell Surface Ab IgG
 13226  Basement Membrane IgG  
 13229  Other
 28711             Primate Split Skin IgG4
 28709     Cell Surface Ab IgG4   
 28710     Basement Membrane IgG4   
 28713     Primate Split Skin IgG

 

CIFS Titer, IgG, S  [LABS1103]

 Result Code     Result Code Description   
 28685     Cell Surface Ab Titer, IgG
 28686  Basement Membrane Titer, IgG   
 50971   Other