synovial fluid analysis

Cell Counts x 10⁶/L

Done by a grid system per HPF

- x40

- averaged over 10 fields

Normal

- 0-200

Non Inflamm (Trauma / OA)

- 50 - 500

Inflamm (RA / Crystals)

- 1500 - 50 000

Infection

- > 50 000