Sign in →

Test ID MRDMR Multiple Myeloma Minimal Residual Disease by Flow Cytometry, Bone Marrow


Specimen Required


Only orderable as a reflex. For more information see MSMRD / Myeloma Stratification and Risk-Adapted Therapy with Reflex to Minimal Residual Disease, Bone Marrow

 

Specimen Type: Redirected bone marrow

Container/Tube:

Preferred: Yellow top (ACD solution A or B)

Acceptable: Lavender top (EDTA)

Specimen Volume: 4 mL


Useful For

Detecting low level (minimal residual disease) myeloma cells after therapy to confirm remission has been achieved

Disease States

  • Amyloidosis

Method Name

Only orderable as a reflex. For more information see MSMRD / Myeloma Stratification and Risk-Adapted Therapy with Reflex to Minimal Residual Disease, Bone Marrow

 

Immunophenotyping

Reporting Name

Multiple Myeloma MRD by Flow, BM

Specimen Type

Bone Marrow

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Bone Marrow Ambient (preferred) 72 hours
  Refrigerated  72 hours

Reference Values

Only orderable as a reflex. For more information see MSMRD / Myeloma Stratification and Risk-Adapted Therapy with Reflex to Minimal Residual Disease, Bone Marrow

 

An interpretive report will be provided.

Day(s) Performed

Preanalytical processing: Monday through Saturday

Results reported: Monday through Friday

Report Available

2 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

88184-Flow Cytometry; first cell surface, cytoplasmic or nuclear marker

88185 x 9-Flow Cytometry; additional cell surface, cytoplasmic or nuclear marker

88188-Flow Cytometry Interpretation, 9 to 15 Markers

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MRDMR Multiple Myeloma MRD by Flow, BM 93022-2

 

Result ID Test Result Name Result LOINC Value
CK146 % Minimal Residual Disease (MRD) 93021-4
CK147 % Normal Plasma Cells (of total PC) 93020-6
CK148 Non-Aggregate Events 38257-2
CK149 Total Plasma Cell Events 93019-8
CK150 Poly PC Events 93018-0
CK151 Abnormal PC Events 93017-2
615796 % B-cell Precursors 101131-1
615797 % Mast Cells 101130-3
616082 Validated Assay Sensitivity 101129-5
616083 Lower Limit of Quantitation (LLOQ) 87706-8
615798 Patient / Sample Theoretical LOQ 101128-7
614590 Final Diagnosis 74226-2

NY State Approved

Yes

Highlights

This is a high-sensitivity flow cytometry test for detection of minimal residual myeloma cells, post treatment.

 

It uses adopted EuroFlow guidelines and Cytognos software.

 

It has a sensitivity of 10(-5) or better, depending on the antigenic profile of abnormal plasma cells.