Test Overview
Test Methodology

Direct Immunofluorescence using Flow Cytometric techniques

Test Usage

A partial T-cell panel is run including CD3, CD4, CD8, and CD4:CD8 ratio (T4:T8 ratio).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday, 8:00am - 4:30pm;
Saturday- 8:00am - 12:00 noon
Analytic Time

24 - 48 hrs

Soft Order Code
MiChart Code
Immunodeficiencies Profile, AQUIRED, Flow Cytometry (BAL SPECIMENS)
  • CD4:CD8 (T4:T8) Ratio, BAL
  • Markers CD3 CD4 CD8, BAL
  • T Cells CD3, CD4, and CD8 Count
  • T Cell subsets, BAL
Flow Cytometry
Flow Cytometry
Specimen Requirements
Collection Instructions

Date and time of collection are required on a flow cytometry requisition.
Collect bronchoalveolar lavage specimen in a sterile leak-proof container. Send sealed container at room temperature within 12 hours of collection; do not refrigerate.

Normal Volume
20-50 ml
Minimum Volume
10 ml
Additional Information

For consultation, contact the MLabs Client Services Center or Flow Cytometry Laboratory at 76-39420.

CPT Code
Fee Code