Blood alcohol conversion chart

A blood alcohol level conversion chart for clinical coders.

Blood alcohol level conversion chart
Code mg/100ml mmol/L*
1 Lower limit 0 0.0
Upper limit 20 4.3
2 Lower limit 20 4.3
Upper limit 39 8.5
3 Lower limit 40 8.7
Upper limit 59 12.8
4 Lower limit 60 13.0
Upper limit 79 17.2
5 Lower limit 80 17.4
Upper limit 99 21.5
6 Lower limit 100 21.7
Upper limit 119 25.9
7 Lower limit 120 26.1
Upper limit 199 43.3
8 Lower limit 200 43.5
Upper limit 239 52.0
9 Lower limit 240 52.2
Upper limit no upper limit

* Rounded calculated values from reference value 1mmol/L = 4.6mg/100ml
Reference: The Handbook for the Interpretation of Laboratory Tests, edited by Micheal Gill. Diagnostic Medlab, Auckland 2000

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