T cell V-Beta by Flow Cytometry




Test Mnemonic

TVBETA

CPT Codes

  • 88185 - QTY (26)
  • 88189 - QTY (1)
  • 88184 - QTY (1)

Includes

  • %Vb1
  • %Vb2
  • %Vb3
  • %Vb4
  • %Vb5.1
  • %Vb5.2
  • %Vb5.3
  • %Vb7.1
  • %Vb7.2
  • %Vb8
  • %Vb9
  • %Vb11
  • %Vb12
  • %Vb13.1
  • %Vb13.2
  • %Vb13.6
  • %Vb14
  • %Vb16
  • %Vb17
  • %Vb18
  • %Vb20
  • %Vb21.3
  • %Vb22
  • %Vb23

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
4 mLWhole bloodEDTA (Lavender)AmbientAmbientSpecimen must be less than 24 hours old and stored at room temperature.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mL    Specimen must be less than 24 hours old and stored at room temperature.

Stability

Environmental Condition Description
AmbientSpecimen must be less than 48 hours old. Specimens greater than 48 hours old will be rejected.
RefrigeratedUnacceptable

Days Performed

Mon - Sat

Turnaround Time

1 - 3 days

Special Info

This test is used for peripheral blood to determine T cell monoclonality in T cell lymphoproliferative disorders.

Clinical Info

The pathologist may add on a low-grade leukemia flow panel, or other flow markers, when they feel it is necessary for a particular case interpretation.