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Blood alcohol conversion chart
A blood alcohol level conversion chart for clinical coders.
| 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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Page last updated: 09 July 2008
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