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

24 - 48 hours

MiChart Code
CD4 count/T-cell Subset Quantitation (CD3,4,8) Flow Cytometry I3
Soft Order Code
I3

Test Updated:

Synonyms

Acquired Immunodeficiencies Profile
PRELIM
Absolute T Cell Count
Acquired Immunodeficiency Profile
AIDS (Acquired Immune Deficiency Syndrome) Profile
Markers CD3 CD4 CD8
CD4:CD8 (T4:T8) Ratio
Helper / Suppressor ratio
T Cell subsets
T-Helper / T-Suppressor ratio
FX FINAL
FLOW ADD
FC CAN
I3
I3S
ACQUIRED IMMUNODEF. PANEL
FC CANCEL
FLOW CYTOMETRY ADDENDUM REPORT
FLOW FINAL
FLOW FINAL
FLOW PRELIMINARY
Acquired Immunodef. Panel
FLABEL
Generic Flow Test
T Cells CD3, CD4, and CD8 Count

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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

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Test Overview

Test Methodology

Direct Immunofluorescence using Flow Cytometric techniques.

Test Usage

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

Reference Range

[link text="I3 reference ranges.docx" href="/static/apps/handbook/Tables/I3 reference ranges.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 Onsite

Date and time of collection is required on the order.
[list]
Collect blood in ACD A or B Vacutainer® tube and transport at room temperature within 4 hours of collection.
A concurrent CBCD should also be ordered for the patient.
[/list]

Collection Offsite

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.
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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
86360, 86359
Pro Fee Code
 
LOINC
17146-2

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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.