Normal noradrenaline (norepinephrine) levels in the blood typically range from about 100 to 600 picograms per milliliter (pg/mL), though reference ranges can vary slightly depending on the laboratory and testing methods used. It's important to note that these levels can be influenced by factors such as stress, physical activity, and time of day. For a precise assessment, it's best to consult a healthcare professional for interpretation based on individual circumstances.
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