Banner Image

Test Directory

CD4 Absolute T Cell Count (Flow Cytometry)

Test Summary

Assists in evaluating helper cell immune status in immunodeficiency diseases such as AIDS.

Aliases

  • N/A

Specimen Collection

Special Instructions

Any specimen collected on a Friday or a day prior to a holiday should be called to the Flow Cytometry Lab at 937-208-6687 no later than 4 pm so that transportation can be arranged.

Preferred Specimen

VENOUS PERIPHERAL BLOOD: 5 mLs K2EDTA (lavender top) tube. (minimum 2 -3 mLs)

Minimum Volume

N/A

Instructions

Avoid hemolysis. Gently invert 10 times.

Patient Preparation

N/A

Storage

K2EDTA (lavender top) tube

Transport Temperature

Room Temperature and transport without delay.

Specimen Stability

  • Room Temperature = 24 hours post collection
  • Refrigerated = unacceptable
  • Frozen = unacceptable

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Rejected for gross hemolysis, clotted. Microcontainers; finger or heel sticks

Order Code

CD4

EPIC (Premier) Code

LAB10003

Includes

% Helper Cells (CD4) and Total Absolute Helper cells (CD4).

CPT Code

  • 86361

Billing Code

  • 3001128

CPT Statement

Methodology

Flow Cytometry (FC)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Department

Flow Cytometry

Reference Range

  SEX AGE Report Normals Units
% Helper Cells (CD4) N/M/F 6M 50 - 57 %
    12M 49 - 55 %
    18M 46 - 51 %
    24M 42 - 48 %
    30M 38 - 46 %
    36M 33 - 44 %
    48M 27 - 57 %
    133Y 32 - 61 %
Total Helper (CD4) N/M/F 6M 2800 - 3900 /MM3
    12M 2600 - 3500 /MM3
    18M 2300 - 2900 /MM3
    24M 1900 - 2500 /MM3
    30M 1500 - 2200 /MM3
    36M 1200 - 2000 /MM3
    48M 560 - 2700 /MM3
    133Y 384 - 2196 /MM3 

Setup Schedule / Expected Turnaround Time

Monday - Friday 7:00 am - 6:00 pm. Test not performed on weekends. Report available: 1 - 2 days

Specimen Collection

Special Instructions

Any specimen collected on a Friday or a day prior to a holiday should be called to the Flow Cytometry Lab at 937-208-6687 no later than 4 pm so that transportation can be arranged.

Preferred Specimen

VENOUS PERIPHERAL BLOOD: 5 mLs K2EDTA (lavender top) tube. (minimum 2 -3 mLs)

Minimum Volume

N/A

Instructions

Avoid hemolysis. Gently invert 10 times.

Patient Preparation

N/A

Storage

K2EDTA (lavender top) tube

Transport Temperature

Room Temperature and transport without delay.

Specimen Stability

  • Room Temperature = 24 hours post collection
  • Refrigerated = unacceptable
  • Frozen = unacceptable

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Rejected for gross hemolysis, clotted. Microcontainers; finger or heel sticks

Billing

CPT Code

  • 86361

Billing Code

  • 3001128

CPT Statement

Result Information

Methodology

Flow Cytometry (FC)

Testing Laboratory

N/A

Reference Range

  SEX AGE Report Normals Units
% Helper Cells (CD4) N/M/F 6M 50 - 57 %
    12M 49 - 55 %
    18M 46 - 51 %
    24M 42 - 48 %
    30M 38 - 46 %
    36M 33 - 44 %
    48M 27 - 57 %
    133Y 32 - 61 %
Total Helper (CD4) N/M/F 6M 2800 - 3900 /MM3
    12M 2600 - 3500 /MM3
    18M 2300 - 2900 /MM3
    24M 1900 - 2500 /MM3
    30M 1500 - 2200 /MM3
    36M 1200 - 2000 /MM3
    48M 560 - 2700 /MM3
    133Y 384 - 2196 /MM3 

Setup Schedule / Expected Turnaround Time

Monday - Friday 7:00 am - 6:00 pm. Test not performed on weekends. Report available: 1 - 2 days