FISH for t(12;21)(p13;q22) Bone Marrow
Test Mnemonic
1221FM
CPT Codes
- 88271 - QTY (2)
- 88275 - QTY (1)
- 88291 - QTY (1)
- 88237 - QTY (1)
Aliases
- FISH for ETV6/RUNX1 (TEL/AML1)
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 - 3 mL | Bone marrow | EDTA (Lavender) | Ambient | Ambient |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 - 3 mL | Bone marrow | Sodium heparin (Green) | Ambient | Ambient |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 48 hours |
| Refrigerated | Acceptable |
| Frozen | Not acceptable |
Days Performed
3 days per week
Turnaround Time
5 - 7 days
Methodology
| Name | Description |
|---|---|
| Fluorescent In-Situ Hybridization (FISH) |
Clinical Info
To assist in the diagnosis of Precursor B-cell Lymphoblastic Leukemia