The BD Multitest™ 6-Color TBNK Reagent with optional BD Trucount™ Tubes is intended for use with the BD FACSLyric™, BD FACSCanto™ II, and BD FACSCanto™ Flow Cytometers to determine the percentages and absolute counts of the following mature human lymphocyte subsets in peripheral whole blood for immunophenotyping: 

T-lymphocytes (CD3+) 

B-lymphocytes (CD19+) 

Natural killer (NK) lymphocytes (CD3–CD16+ and/or CD56+)

Helper/inducer T-lymphocytes (CD3+CD4+) 

Suppressor/cytotoxic T-lymphocytes (CD3+CD8+) 

This reagent is indicated for use in the immunological assessment of normal individuals and patients having, or suspected of having, immune deficiency.

BD FACSLyric™ and BD FACSCanto™ Flow Cytometers are Class 1 Laser Products.

The BD FACSLyric™ Flow Cytometer is for In Vitro Diagnostic Use with BD FACSuite™ Clinical Application for up to six colors. The BD FACSLyric™ Flow Cytometer is for Research Use Only with BD FACSuite™ Application for up to 12 colors. Not for use in diagnostic or therapeutic procedures.

The BD FACSCanto™ Flow Cytometer is for In Vitro Diagnostic Use for up to six colors. Seven to ten colors are for Research Use Only.

BD Trucount™ Tubes are used for determining absolute counts of leucocytes in blood. BD Trucount™ Tubes are designed for use with in vitro diagnostic products such as BD Tritest™ Reagents and a suitably equipped flow cytometer. BD Trucount™ Tubes can be used with the BD FACS™ Loader.

Cy is a trademark of Global Life Sciences Solutions Germany GmbH or an affiliate doing business as Cytiva.

BD FACSPresto™ Near-Patient CD4 Counter System is for point of care use.