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Test ID CCBF Cell Count and Differential, Body Fluid

Useful For

Aids in the diagnosis of joint disease, systemic disease, inflammation, malignancy, infection, and trauma, using body fluid specimens

Method Name

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


Stain slide with Wright-Giemsa stain.

Reporting Name

Cell Count and Differential, BF

Specimen Type

Body Fluid

Ordering Guidance

For spinal fluid specimens, order CCCF / Cell Count and Differential, Spinal Fluid.


For bronchoalveolar lavage specimens, order LAV / Cell Count and Differential, Bronchoalveolar Lavage.

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


Preferred: Body fluid container

Acceptable: EDTA or heparin

Specimen Volume: 1 mL

Specimen Minimum Volume

0.7 mL

Specimen Stability Information

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

Reference Values


Synovial fluid: <150/mcL

Peritoneal/pleural/pericardial fluid: <500/mcL



Synovial Fluid: <25%

Peritoneal/pleural/pericardial fluid: <25%



Synovial fluid: <75%



Synovial fluid: ≤70%

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

89051-Cell count with differential count

88184 if applicable

88185 if applicable

88187 if applicable

88188 if applicable

88189 if applicable

88104 if applicable

88108 if applicable

88112 if applicable

88161 if applicable

88162 if applicable

88305 if applicable

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CCBF Cell Count and Differential, BF 34557-9


Result ID Test Result Name Result LOINC Value
FLD2 Fluid Type 14725-6
OTH11 Other Cells Are: 75353-3
CMT81 Comment 48767-8
APP2 Gross Appearance 9335-1
TOT12 Total Nucleated Cells 74689-1
REV81 Reviewed by: 18771-6
RBC1 Erythrocytes 26455-6
CMT37 Comment 48767-8
NE_BF Neutrophils 26513-2
LY_BF Lymphocytes 11031-2
MM_BF Monocytes/Macrophages 30437-8
EO_BF Eosinophils 26452-3
BA_BF Basophils 28543-7
OTH1 Other Cells 75353-3
CMT3 Diff Comments 59466-3
DCCBF Download CCBF No LOINC Needed

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Profile Information

Test ID Reporting Name Available Separately Always Performed
CCBF_ Cell Count and Differential, BF No Yes
CRSF Morphologic Review, BF No Yes

Testing Algorithm

When abnormal cytologic features are present, the laboratory may reflex to a miscellaneous cytology test. Fee codes for that test vary depending on review process.

Report Available

Same day/1 to 2 days

NY State Approved


Reflex Tests

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