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Chronic Lymphocytic Leukemia (CLL) Monitoring Measurable/Minimal Residual Disease Detection, Flow Cytometry, Varies-994

Test info

Test name:

Chronic Lymphocytic Leukemia (CLL) Monitoring Measurable/Minimal Residual Disease Detection, Flow Cytometry, Varies

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

CLLMD
CLLMRD
CLL Monitoring MRD Detection, V
Chronic lymphocytic leukemia measurable (minimal) residual disease

Useful for:

Confirming the presence or absence of measurable (minimal) residual disease in patients with known chronic lymphocytic leukemia who are either post-chemo/immunotherapy or post-bone marrow transplant

Limitations:

This test is for AHCI providers only

Specimen

Specimen type:

Whole Blood
Bone Marrow

Collection container:

Yellow ACD (A or B)

Volume:

6 mL

Minimum volume:

1 mL

Collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Processing instructions:

Do not spin
Submit original tube
Do not aliquot

Transport container:

Yellow ACD (A or B)

Alternate collection container:

Lavender (EDTA), 4mL

Transport and stability:

Ambient (preferred) - 4 days

Refrigerated - 4 days

Reason for rejection:

Gross hemolysis
Fully clotted whole blood

Performance

Performing lab:

Mayo Clinic Laboratories (CLLMD); R-NX

TAT:

1 - 4 days

Method:

Immunophenotyping

Clinical and Interpretive info

Reference ranges:

An interpretive report will be provided

Billing

CPT codes:

88184-Flow cytometry; first cell surface, cytoplasmic or nuclear marker 88185 x 9-Flow cytometry; additional cell surface, cytoplasmic or nuclear marker (each) 88188-Flow Cytometry Interpretation, 9 to 15 markers

Tracking

Date created:

10/22/2026

Review date:

10/22/2026