FISH, Interphase, CD138+ Cells
Ordering Recommendation
Use to order individual or multiple FISH probes for patients with multiple myeloma.
New York DOH Approval Status
Specimen Required
Non-diluted bone marrow aspirate collected in a heparinized syringe. Also acceptable: Whole blood collected in Green (Sodium Heparin).
Transfer 3 mL bone marrow to a green (sodium heparin) (Min: 1 mL). OR transport 5 mL whole blood (Min: 2 mL)
Room temperature.
Paraffin-embedded specimens. Clotted specimens.
Desired FISH probe and pertinent clinical diagnosis required with test order. Testing will not be performed until probe and diagnosis are provided; absence of this information will delay turnaround time.
Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable
Methodology
Fluorescence in situ Hybridization (FISH)
Performed
Sun-Sat
Reported
3-10 days
Reference Interval
By report
Interpretive Data
Analyte Specific Reagent (ASR)
Note
Fluorescence in situ hybridization (FISH) is performed on CD138+ sorted cells (assuming specimen is sufficient for sorting) for multiple myeloma prognosis-specific genomic abnormalities. The comprehensive multiple myeloma panel is available under mnemonic FISHMMP (3002063). The following probes may be ordered individually or in any combination: 1p (CDKN2C) loss/deletion/1q (CKS1B) gain/amplification, 1q (CKS1B) gain/amplification/17p (TP53) loss/deletion, t(4;14) (IGH/FGFR3 and MMSET fusion), 8q (MYC) break apart, t(8;14) (IGH/MYC fusion), +9/9p (JAK2) trisomy/gain, t(11;14) (IGH/CCND1 fusion and/or +11), 13q (D13S319) deletion, 14q (IGH) break apart, t(14;16) (IGH/MAF fusion), t(14;20) (IGH/MAFB fusion), +15/15q,+17/17q (PML/RARA gain).
When this test is ordered in conjunction with a chromosome analysis, specimen prioritization will be given to FISH for the sorting of CD138+ cells. This could impact the successful completion of the chromosome analysis.
If sorting fails to yield sufficient CD138+ cells, testing will be performed using unsorted cells, if available.
If more than one probe is ordered, additional charges will apply.
Contact ARUP Genetics Processing (extension 3301) to add a probe to a current specimen.
Other specimen types may be acceptable, contact Genetics Processing (extension 3301) for specific specimen collection and transportation instructions.
This test must be ordered using Oncology test request form #43099 or through your ARUP interface.
Hotline History
CPT Codes
88271; 88275
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0092615 | Chromosome FISH, Interphase | 57802-1 |
3002848 | EER Chromosome FISH, Interphase | 11526-1 |
Aliases
- JAK2 (+9)
- CD138
- CDKN2C (1p loss/deletion)
- +15/15q
- +17/17q (PML/RARA gain)
- 13q (D13S319) deletion
- 14q (IGH) break apart
- 1p/1q
- 8q (MYC)
- CCND1/IGH (IGH/CCND1 fusion or +11)
- MM
- Multiple myeloma
- TP53 (17p deletion)
- MAF/IGH
- MGUS
- t(8;14) (IGH/MYC fusion)
- MAFB/IGH
- CDKN2C/CKS1B
- CKS1B (1q gain)
- FGFR3/IGH
- PCN
- Plasma cell neoplasms