Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

CELL COUNT WITH DIFFERENTIAL, SYNOVIAL FLUID

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB3314         Geisinger Epic ID: 69116

SPECIMEN COLLECTION
Specimen type:
Synovial fluid, Bursa fluid
Preferred collection container:
Alternate Collection Container:
Sterile screw-cap tube
6 mL red-top (plain, non-serum separator) tube
4 mL green/green-top (sodium heparin) tube
Specimen required:
2-3 mL (preferred), 1 mL (minimum)
Special notes:
Indicate specimen source on label and requisition. Clotted and partially clotted specimens will receive a comment, "Fluid clotted cell count questionable". Fluids received in sodium heparin tubes will receive a comment, "Specimen received in heparin anticoagulant which may cause lower WBC counts."

SPECIMEN PROCESSING
Specimen processing instructions:
Do not centrifuge or freeze. 
Transport temperature:
Refrigerated.
Specimen stability:
Refrigerated: 24 hours.
Rejection criteria:
Specimen sent with needle. Frozen specimens.

TEST DETAILS
Reference interval:
TNC
Interpretation guide:
Red cells are increased in trauma and hemorrhage.
White blood cells are increased in inflammatory and infectious processes:
- neutrophils predominate in bacterial infections
- lymphocytes predominate in viral infection
- macrophages may be increased in inflammatory and infectious processes
- eosinophils may be increased in parasitic or fungal infections.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Color, Clarity, Total cells count (TCC) (Note: This includes WBC count and other nucleated cells including epithelial cells, histiocytes, macrophages, mesothelial cells etc.) , RBC, TNC differential = % of each cell type in 100 total nucleated cells
Methodology:
Electronic resistance detection enhanced by hydrodynamic focusing and flow cytometry
Hemocytometer
Microscopic Examination
Synonyms:
BFC, cell count, fluid cell count
Clinical significance:
Quantitative determination of cells including WBCs, RBCs, and synovial lining cells in various synovial fluid, which aids in the diagnoses of joint disease, systemic disease, inflammation, malignancy, infection, and trauma.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 01/26/2021

Performing Locations

Geisinger Medical Center

Performing laboratory: Hematology
Technical Lead: Margaret Knowles-Tuchman
Frequency: Daily, all shifts
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Technical Lead: Julia Bell    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Hematology
Technical Lead: Renee Bordo, Robert Furcon  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Lewistown Hospital

Performing laboratory: Hematology
Technical Lead: Lisa Sheaffer  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger South Wilkes-Barre

Technical lead: Bernadette Johnson    
Frequency: Daily, all shifts    
Performed stat? Yes
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