Test Code #

B18

CPT Code(s) #

88346, 88350

Test Name

Pemphigus Antibody Prognostic Test IgG & IgG4

If Profile, Includes Tests:

N/A

Disease Name:

Pemphigus

Type of Study:

Serum Studies

Methodology:

Indirect Immunofluorescence

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Substrate:

Primate Esophagus

Reference Range:

Negative: <1:10

Units:

Titer

Schedule:

Assay performed daily Monday-Friday. Report availability is within 48 hours from the time of specimen receipt.

Specimen Requirements:

Collect 5-10 ml of blood in a red top or serum separator tube. If possible, separate serum from clot and place into red capped tube provided with Beutner Laboratories collection kits. If separation facilities are not available, the blood can be sent in the tube used for collection.

Sample Stability:

Stable at ambient temperature during shipment. If sample is stored prior to shipment, it is stable refrigerated (2-8ºC) up to five days and frozen (-20ºC or lower) up to one year.

Clinical Relevance:

The comparison of the titers of anti-skin (IC) antibodies in old and new sera aid in diagnosis and prognosis of pemphigus patients