Lab Test

Epithelial Basement Membrane Zone, IgA

Dermatitis Herpetiformis, Linear IgA Bullous Dermatitis, Pemphigus/Pemphigoid

Test Codes

ARUP #92057, EPIC: LAB6626, SOFT: XEBMZ

Instructions

The ARUP Immunodermatology Required Clinical Information Form (Serum) is required to be submitted with the specimen.

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 2.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Rejection Criteria

  • Hemolyzed specimens.
  • Lipemic specimens.
  • Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 2.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): Indefinitely

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to University of Utah Health Care (UUHC) Immunodermatology, Salt Lake City, UT.

Performed

Varies.
Results available in 5-10 days.

Reference Range

By report.

Test Methodology

Indirect Immunofluorescence.

CPT Codes

88346, 88350.

Contacts

Last Updated

4/10/2021

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