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Lab Test Dictionary

Leukemia/Lymphoma Evaluation (35080)

Methodology

Flow Cytometry (FC)


Synonyms

Flow

Specimen Type

See Collection Instructions

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB01265

Lab Test Days

Daily

Standard TAT

3-4 Days


Collection Information

Specimen Required

3-5 mL Whole Blood or 1-4 mL Bone Marrow

Container Type

Dark Green (Sodium Heparin)

Collection Instructions

Bone Marrow or Whole Blood collected in ACD Solution A (yellow-top) or EDTA (lavender-top) tube; Tissue: Any tissue type is acceptable. Tissue size is dependent upon leukocyte cellularity. (Tissue is disaggregated into single cells so that a miniumum of 50,000 cells of interest are harvested.) Ship tissue in sterile plastic container with RPMI 1640 enriched with FBS (10% FBS RPMI). Absolutely no fixative should be added. Refrigerate and ship immediately. Body fluids: Any body fluid is acceptable. Sample size is dependent upon cellularity of the sample. Minimum of 50,000 cells of interest in total volume of fluid. Place fluid in sterile plastic container. Absolutely no fixative should be added. Refrigerate and ship immediately; Body Fluids: Any body fluid is acceptable. Sample size is dependent upon cellularity of the sample. ( A minimum of 50,000 cells of interest in total volume of fluid). Place fluid in sterile plastic container. Absolutely no fixative should be added. Refrigerate and ship immediately is also acceptable. A clinical indication and specimen source are required with each specimen. If possible, submit CBC results with differential or an EDTA tube of peripheral blood. Do not freeze and do not place in fixative. Because of the critical nature of these specimens, the laboratory will attempt to process all specimens received, regardless of age of specimen.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 72 Hours (May extend to 5 Days depending on cell viability); Refrigerated: Not Established; Frozen: Not Established

Test Volume Required

4 mL Bone Marrow or 5 mL Whole Blood

Minimum Test Volume

1 mL Bone Marrow or 3 mL Whole Blood

Processing Instructions

Indicate source in comments, on specimen and on batch sheet. ALL specimens for this test need to be packaged and submitted to Quest in a Hematopathology Specimen Transport box.


Included Tests

Initial markers to be evaluated are CD2-5, CD7-8, CD10-11, CD13, CD19-20, CD23, CD33-34, CD38, CD56, CD64, CD117, HLA-DR, sKAPPA, sLAMBDA, and CD45 (for gating purposes).


Comments

Insurance authorization required prior to draw for Outpatients. Ok to send on Inpatients. No special forms needed.


CPT Codes

88184, 88185 (x21), 88189


Revised

03-31-21