Calculate your AUDIT-C score for alcohol use screening. 3-question validated tool with sex-specific thresholds, sensitivity data, and clinical intervention recommendations.
The AUDIT-C (Alcohol Use Disorders Identification Test – Consumption) is the most widely used brief alcohol screening tool, consisting of just three questions about drinking frequency, quantity, and binge episodes. It is the abbreviated version of the full AUDIT-10 developed by the World Health Organization.
The AUDIT-C is recommended by the United States Preventive Services Task Force (USPSTF), the VA/DoD, and multiple international guidelines as the preferred primary care screening tool for unhealthy alcohol use. Using sex-specific cutoffs (≥4 for men, ≥3 for women), it identifies hazardous drinking with approximately 86% sensitivity and 72% specificity in primary care settings.
This calculator scores your AUDIT-C responses, applies the appropriate sex-specific threshold, and provides evidence-based intervention recommendations. It includes sensitivity and specificity data for different populations, score interpretation guidelines, and recommended next steps based on screening results. Check the example with realistic values before reporting. Use the steps shown to verify rounding and units. Cross-check this output using a known reference case.
The AUDIT-C takes under 1 minute to complete and is the most validated brief alcohol screen available. It helps identify hazardous drinking before it leads to health problems, enabling early intervention when it is most effective. Keep these notes focused on your operational context. Tie the context to the calculator’s intended domain. Use this clarification to avoid ambiguous interpretation.
AUDIT-C Score = Q1 (frequency, 0-4) + Q2 (quantity, 0-4) + Q3 (binge frequency, 0-4) Range: 0-12 Positive screen: ≥4 for men, ≥3 for women Score ≥8: Harmful drinking; administer full AUDIT-10
Result: AUDIT-C = 5/12. Positive screen (threshold ≥4 for males).
A male scoring 5 on the AUDIT-C exceeds the male threshold of 4, indicating hazardous drinking. Brief intervention is recommended, with consideration of the full AUDIT-10 for more detailed assessment.
The AUDIT-C was extracted from the full AUDIT-10 by Bush et al. in 1998, demonstrating that the first three consumption questions alone provided screening performance nearly equal to the full instrument. Since then, it has been validated in over 200 studies across diverse populations, languages, and clinical settings, consistently maintaining high sensitivity for detecting unhealthy alcohol use.
SBIRT (Screening, Brief Intervention, and Referral to Treatment) is the evidence-based framework for addressing positive AUDIT-C screens. Screening identifies at-risk individuals, brief intervention provides 5-15 minutes of motivational counseling, and referral to treatment connects high-risk patients with specialized care. SBIRT has been shown to reduce alcohol consumption, ED visits, and healthcare costs.
The AUDIT-C has been adapted for multiple settings including emergency departments (lower cutoff of ≥3), prenatal care (any positive response), adolescents (modified versions exist), and elderly populations (≥3 for sensitivity). The VA healthcare system uses AUDIT-C as universal screening for all patients, demonstrating its feasibility at scale. Cultural adaptations exist for over 40 languages.
The AUDIT-C uses only the first 3 questions of the full AUDIT-10, focusing on consumption patterns. The full AUDIT adds 7 questions about dependence symptoms and alcohol-related harm. AUDIT-C is preferred for brief screening; the full AUDIT provides more diagnostic detail.
Women develop alcohol-related health problems at lower consumption levels due to differences in body composition, metabolism, and enzyme activity. The lower threshold (≥3 vs ≥4) ensures adequate screening sensitivity for women.
In the US, one standard drink contains about 14 grams of pure alcohol: 12 oz beer (5%), 5 oz wine (12%), or 1.5 oz spirits (40%). The UK uses "units" (8g), and Australia uses "standard drinks" (10g). The AUDIT-C was developed using the WHO standard of 10g.
The USPSTF recommends alcohol screening in primary care for all adults 18+. Annual screening is standard practice. More frequent screening may be appropriate for high-risk populations or after positive screens.
Yes, the AUDIT-C is validated for prenatal screening with a lower cutoff of ≥3. Any alcohol use during pregnancy warrants discussion, as there is no known safe level of alcohol consumption during pregnancy.
A positive screen triggers a brief intervention (SBIRT model): discuss drinking patterns, provide feedback, negotiate goals, and follow up. Scores ≥8 suggest referral for detailed assessment and possible treatment.