Synovial - Pleural - Peritoneal - Ascites - Joint - Pericardial - Cell Count, Body Fluid
WBC/Nucleated cell count, RBC cell count, Differential
Do not use this test to order Cerebrospinal Fluid Cell Count, see
Cerebrospinal Fluid Cell Count. Chemistry tests must be ordered separately for body and synovial fluids.
Specimen Collection Requirements
Synovial or Body Fluid in lavender (EDTA) top tube
Mix sample tube gently, end over end, 8-10 times immediately after collection.
Totally clotted specimen, specimen submitted on swab, frozen specimen
Ambient: Unopened, 8 hours; Opened, 4 hours; Refrigerated: Unopened 24 hours, Opened (top removed post collection), 4 hours; Frozen: Unacceptable
Testing Information
Cerebrospinal Fluid specimen has different collection requirements, stability, specimen handling and reference ranges. Please see
Cerebrospinal Fluid Cell Count.
Automated count, Manual count performed when indicated.
Samaritan Health Services Laboratories
Reference Values
MALE/FEMALE: ADULT
Pleural/Pericardial Transudate:
WBC: <1,000/µL
RBC: <100/µL
Pleural/Pericardial Exudate:
WBC: >1,000/µL
RBC: >1,000/µL
Synovial Fluid:
WBC: 0-200/µL
RBC: None
Last Updated:
Thursday, January 5, 2017 03:42:00 AM