Yale New Haven Hospital

Department of Laboratory Medicine
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Flow cytometry - V-beta analysis (T-cell clonality), blood

Lab Section: 

Flow Cytometry


Lab Location: 

Main Lab

Test ID: 




Flow Cytometry




3 days for routine orders

Specimen Requirements: 

Collection: 3.0 ml Blood in a Lavender Top Tube.
Pediatric volume: 1 ml.
lavender top preferred, can also be performed on green(Sodium heparin) top
Unacceptable conditions: clotted, spun, hemolyzed, frozen specimens
Stability: 48 hours, room temperature or refrigerated.



Clinical Indications: known or suspected t cell abnormality

Reference Interval: 

See report

Tests in this Panel: 

Vβ1, Vβ2, Vβ3, Vβ4, Vβ5.1, Vβ5.2. Vβ5.3, Vβ7.1, Vβ7.2, Vβ8, Vβ9, Vβ11, Vβ12, Vβ13.1, Vβ13.2, Vβ13.6, Vβ14,

Vβ16, Vβ17, Vβ18, Vβ20, Vβ21.3, Vβ22, Vβ23

CPT Code(s): 

88184, 88185

Last Changed: 

8/21/2017 8:13 AM

Last Reviewed: 

8/21/2017 8:13 AM