Synovial fluid reference intervals

 

COMPONENT

 

CONVENTIONAL UNITS

 

FACTOR

 

RECOMMENDED SI UNITS

 

Blood-serum-synovial fluid

Glucose difference

 

<10 mg/dL

 

0.05551

 

<0.56 mmol/L

 

Differential cell count

 

Granulocytes

<25% of nucleated cells

 

0.01

 

Granulocyte number fraction: <0.25 of nucleated cells

 

Fibrin clot

 

Absent

 

__

 

Absent

 

Mucin clot

 

Abundant

 

__

 

Abundant

 

Nucleated cell count

 

<200 cells/mL

 

106

 

<200 x 106 cells/L

 

Viscosity

 

High

 

__

 

High

 

Volume

 

<3.5 mL

 

0.001

 

<0.0035 L