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Test Code LAB4295 DIFFERENTIAL, BODY FLUID

Important Note

Sample must be walked to the laboratory. Do not use tube system.

Specimen Type

Preferred Specimen: Dark Green Lithium Heparin Tube (no gel)
Alternative Specimen: Transparent Red Top Tube or Leakproof Sterile Container

Specimen Volume

5 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room temperature: 4 hours
Refrigerated: 1 day

Specimen Processing

Fresh specimen is ideal for testing and can remain at room temperature for up to 30 minutes. If delivery time is over 30 minutes but less than 60 minutes, the specimen should be transported on ice at 4°C.

Method

Microscopic

Reference Ranges

Segs %
Bands %
Lymphocytes %
Variant Lymphocytes %
Mononuclear Phagocytes %
Eosinophils %
Basophils %
Others %
Non-Heme Cells
Nucleated RBC /100
WBC
Mesothelial Cells /100 WBC

Synonyms

Diff.

Test Components

Neutrophils, %; Lymphocytes, %; Variant Lymphocytes, %; Macrophages/Monocytes, %; Eosinophils, %; Basophils, %; Squamous Epithelial Cells, %; Columnar Epithelial Cells, %

CPT Codes

89051

Rejection Criteria

Grossly bloody specimens or those more than ¾ mucous. Clotted Specimens. Frozen specimens or specimens transported with dry ice.