SYN CC DIFF

Cell Count and Differential, Synovial Fluid

EPIC Test Procedure Code: LAB2663

Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Lavender top (EDTA) tube
Specimen Type:

Synovial fluid

Preferred Volume:
1 mL
Collection Procedure:

Invert several times to mix thoroughly.

Specimen Processing:

The specimen should be examined within 1 hour of collection. If this is not possible, refrigerate the specimen.

CPT Codes:

89051 - Differential Synovial Fluid (EAP 30020420)
89050 - Cell Count Synovial Fluid (EAP 30020240)

Test Schedule:
Monday through Sunday
Reference Ranges:

CELL COUNT

WBC:

0 - 200/uL

DIFFERENTIAL

Polymorphonuclear Leukocytes:

0 - 25 %

Clinical Significance:
Suggested Guidelines for interpretation of the WBC count:
200 - 2000 cells/uL - non-inflammatory
2000 - 50000 cells/uL - inflammatory
>50000 cells/uL - infectious
Prosthetic joint sepsis may produce lower counts.

Lab Personnel

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