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Free tools for laboratory and point-of-care teams

Practical tools that run in your browser. No sign-up, and nothing you enter leaves your device.

Free tools

Westgard rules calculator and Levey-Jennings chart

Paste control results for up to three levels, see which Westgard rules fire on a Levey-Jennings chart, and work out the sigma metric with CLIA acceptance limits.

HL7, ASTM and POCT1-A2 sample messages

Fictional result messages in all three formats explained field by field, and a checker for your own HL7 messages.