CD19+ B Cell Count

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General Information

Lab Name
CD19+ B Cell Count
Lab Code
BCS19
Epic Ordering
CD19+ B Cell Count
Description

B cell subset for CD19 only.

All lymphocyte subset panels offered:
T cell subsets CD4/CD8 only, counts [TCS48] - CD4, CD8
T cell subsets CD3/CD4/CD8, counts [TCSA] - CD4, CD8, CD3
Lymphocyte subsets, T and B cell counts [TCSP] - CD4, CD8, CD3, CD19
Lymphocyte subsets, T, B, NK cell counts [TCSNK] - CD4, CD8, CD3, CD19, CD56
CD19+ B Cell Count [BCS19] - CD19 only

Synonyms
Components

Interpretation

Method

Single Platform method via Flow Cytometry

Reference Range
See individual components

Ordering & Collection

Specimen Type
Blood
Collection

3 or 5 mL Lavender (EDTA) tube

Handling Instructions

Specimens must be tested within 24 hours of collection. For samples received >24 hours after collection, test will be cancelled and a re-draw requested. Specimens must be transported at room temperature. Refrigerated or frozen specimens will be canceled and a re-draw will be requested.

Processing

Processing

Stability: 24 hours @Room Temperature

SPS: Sample can be shared with CBC. Do not add on test if sample will be received in the Hematopathology lab outside the 24-hour stability limit.

Outside Laboratories: Specimens must be tested within 24 hours of collection. For samples received > 24 hours after collection, test will be canceled and a re-draw will be requested. Contact Lab Med Call Center 206-685-6066 to discuss transportation options.

Performance

LIS Dept Code
Hematopathology (HP)
Performing Location(s)
Other Hematopathology
206-606-7060

UW Hematopathology Laboratory, G7-800
Fred Hutchinson Cancer Center
825 Eastlake Avenue E.
Seattle, WA 98109

Hematopathology hours:
5:30 am - 6:30 pm Monday through Saturday
7:30 am - 4:00 pm Sunday, and with reduced staffing on major holidays
Frequency
Monday-Sunday. For same day testing, sample must arrive in Hematopathology lab by 5pm Monday - Saturday and 2:30pm on Sunday.
Available STAT?
No

Billing & Coding

CPT codes
86355
LOINC
731-0
Interfaced Order Code
UOW3935