MLL-AFF1 (MLL-AF4) Translocation, t(4;11) by RT-PCR
0050446
 
Time SensitiveTime Sensitive
Ordering Recommendation
Mnemonic
MLL-AF4
Methodology
Reverse Transcription Polymerase Chain Reaction
Performed
RNA isolation: Sun-Sat; Assay: Varies
Reported
3-10 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Lavender (EDTA) or bone marrow (EDTA).  
Specimen Preparation
Transport 5 mL whole blood (Min: 1 mL). OR 3 mL bone marrow (Min: 1 mL). Specimens must be received within 48 hours of collection due to lability of RNA.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Serum or plasma. Frozen or clotted specimens. Specimens collected in anticoagulants other than EDTA. Severely hemolyzed specimens.  
Remarks
 
Stability
Ambient: 1 hour; Refrigerated: 2 days; Frozen: Unacceptable  
Reference Interval
Interpretive Data
Refer to report.

See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
81401
Components
Component Test Code*Component Chart Name
0050446MLL-AFF1 (MLL-AF4) t(4;11) RT-PCR
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • ALL prognostication
  • MLL-AF4 translocation