Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

BIOPSY FOR DIRECT IMMUNOFLUORESCENT STAINING
ORDERING INFORMATION:	Geisinger Epic Procedure Code: LAB4097 Geisinger Epic ID: 11710
SPECIMEN COLLECTION
Specimen type:	Tissue from skin, oral mucosa, conjunctiva
Preferred collection container:	Michel's medium
Special notes:	Collect punch biopsy at the edge of the lesion. Immediately drop specimen into Michel’s medium and seal tightly.
SPECIMEN PROCESSING
Transport temperature:	Room temperature.
Rejection criteria:	Specimen fixed in formalin.
TEST DETAILS
CPT code(s):
	Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:	The direct IF test is performed on skin or mucosal biopsy specimens. All biopsy specimens are examined for the presence of bound immunoglobulins (IgG, IgM, IgA), complement C3, and fibrinogen.
Synonyms:	Skin biopsy, vesiculobullous disease
Doctoral Director(s:)	John Childs MD
Review Date:	12/20/2022