Synonyms: B cell Lymphoma

CPT 4 CODE: 83890, 83894, 83897, 83898, 83903

Test Order Mnemonic: JH PCR

Applies to: Presence of B-cell gene rearrangement occurring in the JH region

Lab: Molecular Diagnostic Laboratory

Request Form: Must be manually written on any of the available Laboratory Request Forms with signature approval of Director of Laboratory

Collection: Routine Veinpuncture, tissue biopsy, bone marrow aspiration, paraffin embedded tissue

Storage Instructions: Refrigerate whole blood, bone marrow aspirate, store fresh tissue at -70° C

Causes for Rejection: Serum, heparin collection tube

Availability: Samples are accepted Monday-Friday, 8:00 AM to 5:00 PM, Room 5.212, John Sealy Annex with consultation and approval by Director or Hematopathologist

Special Instructions: Do not Centrifuge or separate specimen. B5 fixed paraffin embedded tissue is not acceptable

Specimen: Whole blood with EDTA or Sodium Citrate, Fresh frozen tissue, Bone Marrow Aspirate, Paraffin embedded tissue

Volume: 5 mls. whole blood or aspirate, 0.1 grams tissue

Container: EDTA (purple) or sodium citrate (blue), or sterile container for tissue