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B cell enumeration-12403

Test info

Test name:

B cell enumeration

Test number:

12403

Excellian order number:

LAB12403

Abbreviation:

BCE

Alternate names:

B cell CD20 expression
B Cell enumeration for therapeutic monitoring
CD19
Rituxan monitoring
Rituximab monitoring

Useful for:

B and T lymphocyte enumeration for therapeutic monitoring

Limitations:

No pathologist morphology or interpretation will be included with this assay

Specimen

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

4.0 mL

Minimum volume:

3.0 mL

Collection instructions:

Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting

Processing instructions:

Submit whole blood specimen in lavender (EDTA) tube
Do not spin

Transport container:

Whole blood:

Lavender (EDTA), 4mL

Required forms/information:

Complete Blood Count with Differential results collected within 24 hours of BCE sample collection are required

Include a copy of your results, or request that Allina Health Laboratory perform the testing at an additional charge.

Transport and stability:

Ambient (strict)

Reason for rejection:

Improper label (unlabeled or mislabeled)
Wrong container (anticoagulant or solution)
Improper blood/anticoagulant ratio
Delay in transport
Improper storage
Inappropriate timing of collection
Interfering substances
Leaking container

Performance

Performing lab:

AHL - Flow Cytometry: F

Days set up:

Mo - Fr

TAT:

48 hrs

Method:

Flow Cytometry

Clinical and Interpretive info

Reference ranges:

An interpretive report will be included

Clinical information:

Tubes and markers

Tube: BCE

Markers: CD2, CD19, CD20, CD45

Billing

CPT codes:

88184
88185 x 3

Tracking

Date created:

04/29/2013

Revised date:

07/07/2026

Review date:

01/09/2026