Test Catalog

Test ID: CCBF    
Cell Count and Differential, Body Fluid

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

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.

Specimen Type Describes the specimen type validated for testing

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 Defines the optimal specimen required to perform the test and the preferred volume to complete testing

For Local Accounts Only


Sources: Synovial, pleural, peritoneal, pericardial


Preferred: Body fluid container

Acceptable: EDTA or heparin

Specimen Volume: 1 mL

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.7 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

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

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Body FluidAmbient (preferred)24 hours
 Refrigerated 24 hours