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T Cell Subset	Specimen Type:
also known as CD4,  CD8, CD4/CD8 , CD4/CD8 Ratio	Blood

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IMMUNOGENETICS & TRANSPLANT

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Specimen requirements:

3 mL EDTA draw

Reference Ranges:

CATEGORY	LOW	HIGH
0 - 7 Days	1.00	2.60
1 Week - 2 Months	1.30	6.30
2-8 Months	1.60	3.80
8-24 Months	0.90	3.70
2-5 Years	0.90	2.90

Adult Reference Range:   NON-GENDER :  0.70 - 4.00

Unit of measure:

Percent and Absolute count

Ideal sample:

3 mL, less than 48 hours old

Absolute minimum amount:

3 mL

Method of collection:

Venipuncture

Transportation:

See ITL Specimen Notes

Label instructions:

See ITL Specimen Notes

The following substances can adversely affect the results:

Clots in Specimen, Refrigeration, Greater than 48 hours old, Hemolysis

Request test on form:

Immunogenetics Requisition ( D6085(07-08) )

Order/entry screen(s):

N/A

N/A

Stat frequency:

N/A

Stat turn around time:

N/A

Routine frequency:

Weekdays

Must be in by:

3:00 PM Fridays

Routine turn around time:

48 Hours

Deliver the specimen to :

Immunogenetics & Transplant : Drop off boxes at

Hillcrest - SCRAP Lab and Thornton Clinical Lab

Scheduling requirements :

N/A

Method:

Flow Cytometry

Special Instructions:

Samples should be left at room temperature and sent to the lab as soon as possible.

CyberLAB abbreviation:

N/A

CyberLAB code:

N/A

Lab Processing Instructions:

N/A

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