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Test Code BFCC Cell Count and Differential, Body Fluid


Ordering Guidance


 



Shipping Instructions


Specimen must arrive within 24 hours of collection.



Necessary Information


Indicate specimen source



Specimen Required


For Local Accounts Only

Sources: Synovial, pleural, peritoneal, pericardial fluid

Container/Tube:

Preferred: Body fluid container

Acceptable: Lavender top (EDTA) or green top (heparin)

Specimen Volume: 1 mL


Reflex Tests

Test ID Reporting Name Available Separately Always Performed
LCMS Leukemia/Lymphoma, Phenotype Yes No
CYTNG Cytology Non-GYN Yes No

Testing Algorithm

When abnormal cytologic features are present, a miscellaneous cytology test may be added and performed at an additional charge. Fee codes for that test vary depending on review process.

Method Name

Automated or Manual Cell Count/Cytocentrifugation followed by Manual Differential and Morphology Review

Specimen Type

Body Fluid

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Body Fluid Ambient (preferred) 24 hours
  Refrigerated  24 hours

Reject Due To

Gross hemolysis OK
Clotted Nasal fluid, sputum, amniotic fluid Reject

Clinical Information

Body fluids, other than the commonly analyzed urine and blood, include synovial, pleural, peritoneal, and pericardial fluids. These fluids may be present in increased volumes and may contain increased numbers of normal and abnormal cells in a variety of disease states.

Reference Values

TOTAL NUCLEATED CELLS

Synovial fluid: <150/mcL

Peritoneal/pleural/pericardial fluid: <500/mcL

NEUTROPHILS

Synovial Fluid: <25%

Peritoneal/pleural/pericardial fluid: <25%

LYMPHOCYTES

Synovial fluid: <75%

MONOCYTES/MACROPHAGES

Synovial fluid: <70%

Day(s) Performed

Monday through Sunday

Report Available

1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

89051-Cell count with differential