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HelpTest Code BCGBM Immunoglobulin Gene Rearrangement, PCR, Bone Marrow
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Immunoglobulin Gene Rearrange, BMSpecimen Type
Bone MarrowShipping Instructions
Specimen must arrive within 7 days of collection.
Specimen Required
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 2 mL
Collection Instructions:
1. Invert several times to mix bone marrow.
2. Send bone marrow specimen in original tube. Do not aliquot.
Reject Due To
| Gross hemolysis | Reject |
| Moderately to severely clotted | Reject |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Bone Marrow | Ambient (preferred) | 7 days | |
| Refrigerated | 7 days |
Specimen Minimum Volume
1 mL
Special Instructions
Day(s) Performed
Monday through Friday
Specimen Retention Time
Bone marrow: 2 weeks; Extracted DNA: 3 monthsReport Available
5 to 10 daysReference Values
An interpretive report will be provided.
Useful For
Determining whether a B-cell or plasma cell population is polyclonal or monoclonal using bone marrow specimens
Identifying neoplastic cells as having B-cell or plasma cell differentiation
Monitoring for a persistent neoplasm by detecting an immunoglobulin gene rearrangement profile similar to a previous neoplastic specimen
CPT Code Information
81261-IGH (Immunoglobulin heavy chain locus) (eg, leukemias and lymphomas B-cell), gene rearrangement analysis to detect abnormal clonal populations; amplified methodology (eg. polymerase chain reaction)
81264-IGK (Immunoglobulin kappa light chain locus) (eg, leukemia and lymphoma, B-cell) gene rearrangement analysis, evaluation to detect abnormal clonal populations
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| BCGBM | Immunoglobulin Gene Rearrange, BM | 61113-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 19894 | Final Diagnosis: | 22637-3 |
| 608949 | Signing Pathologist | 19139-5 |
Forms
1. Hematopathology Patient Information (T676)
2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.