Days Set Up
Monday - Friday
Analytic Time

48 hours

Test Updated:

Synonyms

Consult
Surgical
Direct Immunofluorescence

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All specimens should be accompanied by a requisition.

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MLabs provides all the supplies necessary for the collection of specimens.

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Test Overview

Test Methodology

Direct Immunofluorescence

Test Usage
 
Reference Range

No deposition of immunoglobulins, complement, or fibrinogen. Pathologist interpretation provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Consult Immunofluorescence laboratory (936-1857) for specific instructions prior to beginning the procedure. Any small fresh or fresh frozen unfixed renal cortical tissue is acceptable. Place biopsy material immediately onto saline soaked gauze or into Zeus Tissue Fixative (ZTF) to prevent dehydration. Deliver immediately upon completion of biopsy to laboratory in appropriate container. Leave specimens placed in Zeus Tissue Fixative at room temperature, do not freeze. Specimens in ZTF at room temperature are good for up to 5 days and may be delivered by routine courier. Cause for Rejection: drying out of specimen, insufficient tissue, tissue floating in saline, no glomeruli in specimen, paraffin block.

Collection Offsite

Any small fresh or fresh frozen unfixed renal cortical tissue is acceptable. Place biopsy material immediately into Zeus Tissue Fixative (ZTF) to prevent dehydration. Zeus Tissue Fixative is available from MLabs and a supply should be kept at the client site. Check expiration date of ZTF before use; do not use expired ZTF. Specimen in Zeus Tissue Fixative is good for at least 5 days at room temperature. DO NOT ATTEMPT TO FREEZE SPECIMENS PLACED IN ZTF.

Minimum Volume
 

Billing Information

CPT Code
88346-TC 1st Ab, 88350-TC ea addl Ab
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.