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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB1019 Cell Count with Reflex to Differential, Synovial Fluid

Methodology

Hemocytometer/Digital Imaging with DxU 840m Iris

Light Microscopy for differential

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Synovial fluid

Container/Tube: Green top (sodium heparin)

Specimen Volume: Entire collection

Collection Instructions:

1. Physician collects specimen.

2. Invert tube gently 8 to 10 times to prevent clotting.

Specimen Transport Temperature

Ambient

Reference Values

White count: <200 /uL

Differential:

     Polynuclear: <  25%

     Mononuclear: > 75%

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

89050 - Cell Count

89051 - Differential