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Test Code LAB4195 CELL COUNT W/REFLEX DIFFERENTIAL, SYNOVIAL FLUID

Specimen Type

Preferred Sample: Lavender K2 EDTA tube
Alternate Sample: Dark Green Heparin tube (No Gel), Sterile Container free of clots and fibrin

Specimen Volume

3 mL

Minimum Volume

1 mL in each tube.

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room temperature: 4 hours
Refrigerated: 1 day

Specimen Processing

Place 3 mL synovial fluid in red top tube and place remainder into a lavender top EDTA tube. Transport immediately.

Method

Manual Microscopy

Reference Ranges

Joint Fluid Exam

   RBC,Fld

   Nucleated Cells,Fld

   Other Cells,Fld

   Differential,Fld

   Crystals           None seen

   Crystal ID

Synonyms

Synovial Fluid Exam

Test Components

Cell Count & Diff

CPT Codes

89050, 89060