These categories may be used to provide supplementary information concerning causes of morbidity. They are not to be used for single-condition coding.

  1. Y90 Evidence of alcohol involvement determined by blood alcohol level

    1. Y90.0 Blood alcohol level of less than 20 mg/100 ml

    2. Y90.1 Blood alcohol level of 20-39 mg/100 ml

    3. Y90.2 Blood alcohol level of 40-59 mg/100 ml

    4. Y90.3 Blood alcohol level of 60-79 mg/100 ml

    5. Y90.4 Blood alcohol level of 80-99 mg/100 ml

    6. Y90.5 Blood alcohol level of 100-119 mg/100 ml

    7. Y90.6 Blood alcohol level of 120-199 mg/100 ml

    8. Y90.7 Blood alcohol level of 200-239 mg/100 ml

    9. Y90.8 Blood alcohol level of 240 mg/100 ml or more

    10. Y90.9 Presence of alcohol in blood, level not specified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.