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Lab Test Dictionary

Cell Surface Marker, Individual (37400X)


Flow Cytometry

Specimen Type

See Collection Instructions

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Lab Test Days

Daily; A.M. and P.M.

Standard TAT

1-2 Days

Collection Information

Specimen Required

1-5 mL Whole Blood or 1-2 mL Bone Marrow

Container Type

Dark Green (Sodium Heparin)

Collection Instructions

Whole blood or bone marrow collected in an EDTA (lavender-top), EDTA (royal blue-top), ACD solution B (yellow-top), or a lithium heparin (green-top) tube is also acceptable. Buffy Coat, CSF, Fluid, Peritoneal Fluid, Peural Fluid or Fresh (unfixed) tissue is acceptable as well. Must specify CD marker in order.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 48 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Rejection Criteria

Received frozen; Bronchial washings

Test Volume Required

5 mL Whole Blood or 2 mL Bone Marrow

Minimum Test Volume

1 mL Whole Blood or Bone Marrow

Processing Instructions

Must indicate CD marker and source in comments, on specimen and on batch sheet.

CPT Codes