JAK2 9p24 | FISH
| Test Details | Detects rearrangements of 9p24 |
| Methodology | Fluorescence in-situ hybridization |
| Performed | Monday – Friday |
| Turnaround | 3 – 5 days; STAT FISH performed within 24 – 48 hours |
| Specimen Requirements | Suspension FISH on bone marrow, bone core, lymph node, peripheral blood ONLY |
| Sample Collection | Suspension: In sterile 15 mL sodium heparin (green-top) vacutainer tube collect 1 – 2 mLs bone marrow; 5 – 10 mLs blood; 0.5 – 1.0 cm2 biopsy (bone core; lymph node); invert tube immediately after collection to prevent clots |
| Minimum Sample Volume | Suspension: 0.5 mLs bone marrow; 2 mLs blood |
| Storage/Transport Conditions | Room temperature |
| Unacceptable Conditions | Suspension: Will not be accepted after three days |
| Special Instructions | Refrigerate if sample cannot be delivered within 24 hours; Send to Clinical Support Office (509 S. Euclid Ave., Room 4711 between 8 a.m. and 5 p.m.) After hours, please send to IOH Core Lab (425 S. Euclid, Room 4701) |
| CPT Code(s) | Suspension: 88291×1, 88237×1, 88271x 2, 88275×1 |