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Bartonella, Molecular Detection, PCR, Varies
Test Code3041007014
Alias/See Also
1232900017 / MAYO test code BARRP
CPT Codes
87801
Preferred Specimen
Sterile Container
Minimum Volume
Fresh tissue: Entire collection or 5 mm3; Fluid/Synovial fluid: 0.5 mL
Instructions
Specimen Type: Fresh tissue or biopsy
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
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.
Preferred Paraffin-embedded tissue block:
Supplies: Tissue Block Container (T553)
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Container/Tube: Tissue block
Collection Instructions: Submit a formalin-fixed, paraffin-embedded tissue block to be cut and returned.
Acceptable: Paraffin-embedded tissue block:
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Container/Tube: Sterile container for each individual cut section (scroll).
Collection Instructions: Perform microtomy and prepare five separate 10-micron sections. Each section (scroll) must be placed ina separate sterile container for submission.
Specimen Type: Fluid
Sources: Cerebrospinal or ocular (eg, vitreous humor fluid)
Container/Tube: Sterile vial
Specimen Volume: 0.5 mL
Specimen Type: Synovial fluid
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Pink top (EDTA), royal blue top (EDTA), sterile vial containing EDTA-derived aliquot, red clot tube (no anticoagulant), or sterile container
Specimen Volume: 0.5 mL
Collection Instructions: Send specimen in original tube (preferred).
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
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.
Preferred Paraffin-embedded tissue block:
Supplies: Tissue Block Container (T553)
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Container/Tube: Tissue block
Collection Instructions: Submit a formalin-fixed, paraffin-embedded tissue block to be cut and returned.
Acceptable: Paraffin-embedded tissue block:
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Container/Tube: Sterile container for each individual cut section (scroll).
Collection Instructions: Perform microtomy and prepare five separate 10-micron sections. Each section (scroll) must be placed ina separate sterile container for submission.
Specimen Type: Fluid
Sources: Cerebrospinal or ocular (eg, vitreous humor fluid)
Container/Tube: Sterile vial
Specimen Volume: 0.5 mL
Specimen Type: Synovial fluid
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Pink top (EDTA), royal blue top (EDTA), sterile vial containing EDTA-derived aliquot, red clot tube (no anticoagulant), or sterile container
Specimen Volume: 0.5 mL
Collection Instructions: Send specimen in original tube (preferred).
Specimen Stability
Specimen Type: Fresh tissue or biopsy
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Refrigerated (preferred) <7 days/ Frozen <7 days
Preferred Paraffin-embedded tissue block:
Supplies: Tissue Block Container (T553)
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Room Temperature (preferred)/Refrigerated
Acceptable: Paraffin-embedded tissue block:
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Room Temperature (preferred)/Refrigerated
Specimen Type: Fluid
Sources: Cerebrospinal or ocular (eg, vitreous humor fluid)
Specimen Stability Information: Refrigerated (preferred) <7 days/Frozen <7 days
Specimen Type: Synovial fluid
Specimen Stability Information: Refrigerated (preferred) <7 days /Frozen <7 days
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Refrigerated (preferred) <7 days/ Frozen <7 days
Preferred Paraffin-embedded tissue block:
Supplies: Tissue Block Container (T553)
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Room Temperature (preferred)/Refrigerated
Acceptable: Paraffin-embedded tissue block:
Specimen Type: Formalin-fixed, paraffin-embedded tissue block (FFPE)
Sources: Heart valve, liver, lymph node, spleen, or skin tissue papule/lesion/nodule
Specimen Stability Information: Room Temperature (preferred)/Refrigerated
Specimen Type: Fluid
Sources: Cerebrospinal or ocular (eg, vitreous humor fluid)
Specimen Stability Information: Refrigerated (preferred) <7 days/Frozen <7 days
Specimen Type: Synovial fluid
Specimen Stability Information: Refrigerated (preferred) <7 days /Frozen <7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Tissue in formalin, formaldehyde, or acetone; bone marrow; slides
Reference Range
SEE RESULT REPORT
Performing Laboratory
MAYO CLINIC
Last Updated: August 26, 2026
