CD19 (089-0542)

Synonyms:  

CPT Code(s):  86357

Test Order Mnemonic:   CD19

Lab:   Flow Cytometry

Test Includes:   CD19%, Absolute CD19#

Applies To:   Aids in monitoring CD19 levels in patients

Request Form:   Hematology B

Collection:   Routine venipuncture

Storage Instructions:   Store at room temperature (18-22°C). DO NOT REFRIGERATE.

Cause For Rejection:   Clotted, QNS, hemolysis, identification error, specimen refrigerated, specimens received on weekend and holidays, specimen received after noon cut off on Fridays.

Availability:   Samples are accepted in Sample Management, 5.136 McCullough,
Monday-Thursday (8AM-5PM). Friday cut-off time is noon.

Turnaround Time:   48 hours

Specimen:   Blood

Volume:   4 ml

Minimum Volume:   1 ml

Container:   EDTA (Lavender-top tube); pediatric tube acceptable

Reference Ranges:

Test Methodology:   Flow cytometry

Interfering Substances:   Cephalosporins; elevated lipids, Zidovudine (AZT), Nicotine, Corticosteroids, diurnal variation

Reviewed 4/14/08, by J Patel, MT (ASCP)

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