Elevated liver values mean that enzymes such as ALAT, ASAT or gamma-GT are higher than expected. That usually points to irritation or strain of the liver, not straight away to a serious illness. In many people a mild rise drops by itself again.
Still, I understand such a result is a fright. Below you will calmly read which causes are most common, especially after 60.
What exactly are elevated liver values?
Elevated liver values are values above the range shown on your lab report. How far a value sits above the line matters: a mild rise often has an innocent explanation, while a sharp rise needs more attention. A doctor looks at the level and at the pattern of the different values.
Which causes are most common?
The most common causes are fatty liver, alcohol and medicines. In addition, viral infections, bile problems or a muscle cause can play a part. In people over 60, using several medicines at once is a common and treatable factor to investigate.
| Cause | What fits with it |
|---|---|
| Fatty liver | Overweight, diabetes, high cholesterol |
| Alcohol | Mainly a raised gamma-GT |
| Medicines | Including long-term use of certain drugs |
| Muscle exertion | Mainly a raised ASAT after heavy exercise |
Which cause fits you is assessed by your GP. A repeat measurement often helps to see whether the value is lasting or temporary. Read more about the individual values in our overview of liver values after 60. Sometimes several causes play a part at once, for example fatty liver combined with a medicine or some extra alcohol. Your doctor then looks not at a single explanation, but at the overall picture of your values, your symptoms and your lifestyle.
Is a mild rise dangerous?
A mild rise is usually not dangerous and often has a well-explainable cause. The Dutch Maag Lever Darm Stichting stresses that a slight abnormality occurs regularly and by no means always points to liver damage. More important than the level of a single measurement is whether the value stays raised.
If the value stays high, your doctor looks specifically for the cause. Sometimes fatty liver plays a part, sometimes your medication use.
When should you contact your GP?
Contact your GP if your liver values are clearly raised, if they stay raised on a repeat measurement, or if you have symptoms such as yellowing of the skin, persistent fatigue or pain in the upper right of the abdomen. Thuisarts.nl explains when it is better to get in touch.
My advice: do not panic over a single number, but do calmly have a persistently raised value investigated. You always discuss an abnormal result with your GP.
Which symptoms fit elevated liver values?
Elevated liver values often cause no symptoms at all and are found by chance. When there are signals, they can be vague: fatigue, a pressing feeling in the upper right of the abdomen or reduced appetite. A yellowing of the skin or the whites of the eyes is a clearer signal to seek contact quickly.
Because symptoms are often absent, the result itself says more than how you feel. That makes a calm assessment of the value all the more important.
Can elevated liver values drop by themselves?
Yes, that happens regularly. A mild rise from an infection, temporary medication use or a period with more alcohol often subsides once the cause falls away. That is why, with a slight abnormality, a doctor often chooses to wait and repeat rather than start extensive testing straight away.
If the value stays raised despite rest and adjustments, further checking is wise. The difference between temporarily and persistently raised is the most important distinction for your doctor.
How does the investigation proceed after an abnormal result?
With an abnormal result, your GP usually starts with a repeat measurement after a few weeks. If the value stays raised, a conversation about your alcohol, medicines and lifestyle often follows, possibly supplemented with extra blood tests or a liver ultrasound. Sometimes the GP refers you to a gastroenterologist and liver specialist.
These steps sound bigger than they usually are. In many people the doctor finds a well-explainable cause. What you can do yourself around medication, you can read at medication and your liver.
Would you like to have your liver values checked at a calm moment? At Levenswijs Health you can, without a referral. Your result is reviewed by a BIG-registered doctor. A blood test does not provide a diagnosis. For treatment decisions, always discuss your results with your GP.
References
- Kwo PY, Cohen SM, Lim JK. ACG Clinical Guideline: Evaluation of Abnormal Liver Chemistries. American Journal of Gastroenterology. 2017;112(1):18-35.
- Maag Lever Darm Stichting and Thuisarts.nl, accessed 2026.
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