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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Source | Blood, bone marrow | |
| Mnemonic | JAK2 PB (Blood) JAK2 BM (Bone Marrow) | |
| Specimen Requirements | Whole blood: 1 x 4 mL lavender top EDTA tube Do not collect in same tube with any other test. Specimens poured off from other EDTA tubes (e.g. CBC) are NOT ACCEPTABLE. Bone marrow: 1 x 4 mL lavender top EDTA tube with minimum of 0.5 mL of bone marrow in each tube | |
| Specimen Handling | Send all specimens at room temperature directly to DSC Molecular Hematology. DSC Accession: after 16:30, store at 4ºC. | |
| Additional Information | Specimens must be accompanied by a copy of the original requisition. Molecular investigations must be DEDICATED specimens to avoid sample contamination. | |
| Testing Location | Molecular Hematology | |
| Testing Frequency | Every 3 to 4 weeks. | |
| Alternate Name(s) | JAK2- V617F; Janus Kinase 2 Mutation | |
| Reference Interval | Negative (normal) |