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
SerumSpecimen 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 daysMethod 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, SReference Values
Negative
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
8052Reflex 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 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 |