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Test Code CBRP Coxiella burnetii (Q fever), Molecular Detection, PCR, Varies

Reporting Name

Coxiella burnetii (Q fever) PCR

Useful For

Aiding in the diagnosis of Coxiella burnetii infection (eg, Q fever) using tissue specimens

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Varies


Necessary Information


Specimen source is required.



Specimen Required


The high sensitivity of amplification by polymerase chain reaction requires the specimen to be processed in an environment in which contamination of the specimen by Coxiella burnetii DNA is unlikely.

 

Submit only 1 of the following specimens:

 

Specimen Type: Fresh tissue or biopsy

Sources: Lung, bone, liver, heart valve, aorta, or endocardium

Container/Tube: Sterile container

Specimen Volume: Entire collection or 5 mm(3) - approximately the size of a pencil eraser

Collection Instructions:

1. Collect fresh tissue specimen.

2. Submit tissue only, do not add fluid to tissue

3. Refrigerate or freeze specimen.

Specimen Stability Information: Refrigerated (preferred) <7 days/ Frozen <7 days

 

Preferred Paraffin-embedded tissue block:

Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)

Sources: Lung, bone, liver, heart valve, aorta, or endocardium

Supplies: Tissue Block Container (T553)

Container/Tube: Tissue block

Collection Instructions: Submit a formalin-fixed, paraffin-embedded tissue block to be cut and returned.

Specimen Stability Information: Ambient (preferred)/Refrigerated

 

Acceptable Paraffin-embedded tissue block:

Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)

Sources: Lung, bone, liver, heart valve, aorta, or endocardium

Container/Tube: Sterile container for each individual cut section (scroll).

Collection Instructions: Perform microtomy and prepare 5 separate 10-micron sections. Each section (scroll) must be placed in a separate sterile container for submission.

Specimen Stability Information: Ambient (preferred)/Refrigerated


Specimen Minimum Volume

Fresh tissue or biopsy: 5 mm(3)
Paraffin-embedded tissue block: two 10-micron sections

Reject Due To

 Tissue in formalin formaldehyde, or acetone
Bone marrow
Decalcified bone
Unstained slides		 Reject

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reference Values

Not applicable

Day(s) Performed

Monday through Friday

CPT Code Information

87798

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CBRP Coxiella burnetii (Q fever) PCR 90442-5

 

Result ID Test Result Name Result LOINC Value
SRCQF Specimen Source 31208-2
62193 Coxiella burnetii PCR 90442-5

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.

Report Available

2 to 7 days

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.