What Does the Order 'Blood Glucose AC and HS' Mean?

Understanding medical terminology can be confusing, especially when it comes to lab orders and tests. One common order you may come across is 'blood glucose AC and HS.' But what does this actually mean?

'Blood glucose AC and HS' refers to two different times for checking blood sugar levels - 'AC' stands for 'before meals' (ante cibum) and 'HS' stands for 'at bedtime' (hora somni).

When your healthcare provider orders 'blood glucose AC and HS,' they are asking you to check your blood sugar levels before meals and at bedtime to monitor how your body processes glucose throughout the day and night.

It's essential to follow these instructions carefully to ensure accurate readings and help your healthcare provider make informed decisions about your treatment plan.


Decoding medical phrases can often feel like trying to learn a new language. Take for instance the order 'blood glucose AC and HS.' This order is crucial for patients monitoring their diabetes.

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