noun
normal value; normal level
Used in medical, scientific, or technical contexts to refer to a standard or expected numerical value, such as a lab result or measurement.
検査の結果は正常値の範囲内でした。
The test results were within the normal range.
血圧が正常値に戻った。
My blood pressure returned to a normal level.
異常値 is an abnormal value, the direct opposite of 正常値.
Compound of 正常 (normal) + 値 (value).