CD19 Count

Test Name

CD19 Count

Alternate Description

B lymphocyte count, B cell subset, B cell marker

LIS Code

CD19

Availability

For Friday Collections: Collect specimen by Noon for Off Campus locations. Collect specimen by 14:00 for On Campus locations, Monday through Friday, except holidays.

Lab Section

Special Hematology

Fluid Type

Whole Blood

Test Includes

% CD19 and Absolute CD19 count

Specimen Tube Type Transport

3.0 mL whole blood in Sodium Heparin green top tube

Container Whole Blood Required

3.0 mL whole blood in Sodium Heparin green top tube

Summary Test Name

CD19 Count

Specimen Preparation Outreach

Do not spin. Keep at room temperature until courier pickup.

Specimen Stability

48 hours at room temperature

Minimum Volume

3 mL

Specimen Transport

Room Temperature

Specimen Preparation In House

Do not spin. Keep at room temperature.

Test Turnaround Time Routines And Stats

4 days after specimen receipt

Reference Value

CD19          
age from age to age units gender abs low abs high
0 3 months M/F 0.3 (300) 2.0 (2000)
3 6 months M/F 0.43 (430) 3 (300)
6 12 months M/F 0.61 (610) 2.6 (2600)
1 2 years M/F 0.72 (720) 2.6 (2600)
2 6 years M/F 0.39 (390) 1.4 (1400)
6 12 years M/F 0.27 (270) 0.86 (860)
12 18 years M/F 0.11 (110) 0.57 (570)
18 and up years M/F 0.015 (15) 0.495 (495)
           
           
age from age to age units gender % low %high
0 3 months M/F 6 32
3 6 months M/F 11 41
6 12 months M/F 14 37
1 2 years M/F 16 35
2 6 years M/F 14 33
6 12 years M/F 13 27
12 18 years M/F 6 23
18 and up years M/F 5 20

Additional Test Information

Call Special Hematology at 717-531-8559 with questions.