Synovial Fluid Indicators

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