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Test Code SQ FLOWBM, EPIC LAB2853 Flow Cytometry, Bone Marrow (T & B) (UWH MFLOW)


Flow Cytometry

Antigens analyzed are selected based on the number of cells available, morphologic assessment, and patient diagnosis.

Performing Laboratory

University of Wisconsin Hospital and Clinics

Specimen Requirements

Specimen must arrive at the University of Wisconsin Hospital and Clinics within 8 hours of collection. Specimen accepted Sunday through Thursday anytime. Specimen must be received by 2 p.m. on Friday or the day before a holiday.


Specimen Type: Bone marrow aspirate

Container/Tube: Dark-green top (sodium heparin)

Specimen Volume: 5 mL

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Do not centrifuge.

2. An unstained slide or coverslip of bone marrow, to allow for morphologic assessment of the fresh specimen, must be sent with specimen.

Additional Information:

1. Specimen >24 hours old at time of analysis is not acceptable.

2. Fax a copy of completed bone marrow report to the Flow Cytometry Laboratory at 608-263-0910 when available.

Specimen Transport Temperature


Reference Values

A hematopathologist’s written interpretive report is issued as a separate report.

Reporting Title

Flow Cytometry - Bone Marrow (T & P)

Day(s) Test Set Up

Monday through Friday

Not available STAT

Test Classification and CPT Coding

CPT codes dependent on testing performed.