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Test ID PM3CX Lymph3Cx Assay, Primary Mediastinal Large B-cell Lymphoma and Diffuse Large B-cell Lymphoma, mRNA Gene Expression, NanoString, Tissue


Ordering Guidance


This test does not include a pathology consultation. If a pathology consultation is requested, PATHC / Pathology Consultation will be ordered and performed at an additional charge.



Necessary Information


Pathology report (final or preliminary) must accompany specimen in order for testing to be performed. At minimum, it should contain the following information:

1. Patient name

2. Block number-must be on all blocks, slides, and paperwork (can be handwritten on the paperwork)

3. Tissue collection date

4. Source of the tissue



Specimen Required


Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Tissue slides

Slides: 1 stained and 7 unstained

Collection Instructions: Submit 1 slide stained with hematoxylin and eosin and 7 consecutive, unstained, 5-micron thick sections placed on positively charged slides.

Additional Information: Paraffin embedded specimens can be from any anatomic location (skin, soft tissue, lymph node, etc).

 

Acceptable:

Specimen Type: Tissue block

Collection Instructions: Submit a formalin-fixed, paraffin-embedded tumor tissue block.


Secondary ID

606164

Useful For

Only indicated for formalin-fixed paraffin-embedded specimens from patients diagnosed with large B-cell lymphoma

Additional Tests

Test ID Reporting Name Available Separately Always Performed
AZSLR Slide Review No, (Bill Only) Yes

Testing Algorithm

When this test is ordered, slide review will always be performed at an additional charge.

Specimen Type

Tissue, Paraffin

Specimen Stability Information

Specimen Type Temperature Time
Tissue, Paraffin Ambient (preferred)
  Refrigerated 

Reject Due To

Exhausted tissue block
Tissue with non-formalin fixation
Reject
  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Not applicable

Day(s) Performed

Monday through Friday

Report Available

7 to 12 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

0120U

88381