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HelpTest Code PBLI Plasma Cell Assessment, Blood
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Plasma Cell Assessment, BSpecimen Type
Whole bloodShipping Instructions
Specimen must arrive within 3 days of collection.
Necessary Information
Date and time of collection are required.
Specimen Required
Container/Tube:
Preferred: Green top (sodium heparin)
Acceptable: Lavender top (EDTA)
Specimen Volume: 10 mL
Collection Instructions:
1. Do not centrifuge.
2. Send whole blood specimen in original tube. Do not aliquot.
Reject Due To
| Gross hemolysis | Reject |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Ambient (preferred) | 72 hours | |
| Refrigerated | 72 hours |
Specimen Minimum Volume
4 mL
Special Instructions
Day(s) Performed
Monday through Saturday
Specimen Retention Time
Not retainedReport Available
1 to 2 daysReference Values
An interpretive report will be provided.
Useful For
Detecting peripheral blood involvement by plasma cell proliferative disorders
Establishing the diagnosis of and determining prognosis for plasma cell proliferative disorders
Testing Algorithm
The following algorithms are available:
CPT Code Information
88184-Flow cytometry, cell surface, cytoplasmic
88185 x 5-Each additional marker
88187-Flow cytometry, interpretation; 2 to 8 markers
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PBLI | Plasma Cell Assessment, B | 86900-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 30388 | Blood Plasma Cell Light Chain | 86900-8 |
| 26838 | # Monotypic PCs per 150,000 events | 19099-1 |
| 26839 | PC Event Interpretation | 69052-9 |
Forms
If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.