Days Set Up
Monday - Friday, 8:00am - 4:30pm
Analytic Time

24 - 48 hours

MiChart Code
Primary immune def. T,B,NK quantitation (CD3,4,8,19,16/56) Flow Cytometry I
Soft Order Code
IMM

Test Updated:

Synonyms

FX FINAL
PRELIM
FLOW ADD
CD4:CD8 (T4:T8) Ratio
FC CAN
Primary Immunodeficiencies Profile
T&B Cell Lymphocyte Surface Markers
B and T Cell Subsets
Markers CD3 CD4 CD8 CD16/56 CD19
Inherited Immunodeficiency Profile
Lymphocyte Surface Marker Assay
Natural Killer Cell Count
Primary Immunodeficiency Profile
T Cell and B Cell Lymphocyte Surface Markers
IMM
IMMS
IMMUNODEFICIENCY PANEL
T and B Cell Subsets
FC CANCEL
FLOW CYTOMETRY ADDENDUM REPORT
FLOW FINAL
FLOW FINAL
FLOW PRELIMINARY
Primary Immunodef. Panel
FLABEL
Generic Flow Test
CD56

Looking to order a test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Direct Immunofluorescence using flow cytometric techniques.

Test Usage

Evaluation of primary immunodeficiencies. A full lymphoid cell panel is run, including B and T cell quantitation and natural killer cell quantitation. Markers include CD3, CD4, CD8, CD16/56, CD19, and CD4:CD8 ratio (T4:T8 ratio).

Reference Range

[link text="IMM reference ranges.docx" href="/static/apps/handbook/Tables/IMM%20reference%20ranges.docx"]
[bold]*Pediatric Reference Ranges from Journal of Allergy and Clinical Immunology, vol. 112, No. 5, 11/2003 and studies performed at Michigan Medicine Flow Cytometry Laboratory. Absolute ranges are calculated utilizing absolute lymphocyte count ranges for the same age groups provided by the hematology laboratory.[/bold]

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

Specimen Requirements

Collection Instructions

Date and time of collection is required on a flow cytometry requisition.
[list]
Collect blood in ACD A or B Vacutainer® tube and transport at room temperature within 12 hours of collection.
Include a copy of the patient's concurrently drawn White Blood Cell and Platelet counts, and peripheral blood differential.
[/list]

ACD Solution A
Normal Volume
Whole blood: 7-10 ml
Minimum Volume
Whole blood: 1 ml added to an ACD A or B tube

Billing Information

CPT Code
86355, 86357, 86359, 86360
Pro Fee Code
 
Insurance Auth Info
 
LOINC
Z502-5

Have More Questions?

Explore our helpful billing resources:

Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.