Ordering Recommendation
Use to detect and quantitate NPM1 mutant transcripts (type A, B, and D). Use to monitor for minimal residual disease and assess the risk of disease relapse.
Mnemonic
Methodology
Quantitative Reverse-Transcription Polymerase Chain Reaction
Performed
RNA isolation: Sun-Sat
Assay: Mon, Wed-Fri
Reported
5-7 days
New York DOH Approval Status
Specimen Required
Lavender (EDTA) or bone marrow (EDTA). Also acceptable: RNA extracted by CLIA certified lab.
Whole Blood: Transport 5 mL whole blood. (Min: 1 mL)
Bone Marrow: Transport 3 mL bone marrow. (Min: 1 mL)
Specimens must be received within 48 hours of collection due to lability of RNA.
Extracted RNA: Transport 40 uL RNA with at least 40 ng/uL concentration. (Min: 40 uL) Transport RNA in a tissue transport kit (ARUP Supply #47808) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Whole Blood or Bone Marrow: CRITICAL REFRIGERATED. Separate specimens must be submitted when multiple tests are ordered.
Extracted RNA: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Serum, plasma, CSF, extracted DNA, RNA extracted by a non-CLIA lab, bone core, or FFPE tissue. Specimens collected in anticoagulants other than EDTA. Severely hemolyzed or clotted specimens.
Ambient: 1 hour; Refrigerated: 48 hours; Frozen: Unacceptable
Extracted RNA: Ambient: Unacceptable; Refrigerate: Unacceptable; Frozen: Indefinitely
Reference Interval
Interpretive Data
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
81310
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3000067 | NPM1 Quantitative, Source | 31208-2 |
3000068 | NPM1 Quantitative, Result | 54448-6 |
3000069 | NPM1 Quantitative, Ratio |