Blood tests measure homocysteine levels. Homocysteine levels in blood are expressed in micromoles per liter (µmol/L). Normal levels are 4-15 µmol/L. Optimal levels are often below …

Jan 31, 2025 · In a healthy person, homocysteine levels are around five to 15 mcmol/L. Nearly all that homocysteine converts to other proteins. Some people have mild (15 to 30 mcmol/L) or …

Nov 5, 2025 · Normal homocysteine levels generally fall below 15 micromoles per liter (µmol/L), though ranges may vary slightly between labs. Elevated levels can result from low vitamin …

Homocysteine is measured in micromoles per liter ([Math Processing Error] mol/L), and the reference range for what is considered normal varies depending on the laboratory and the …

The normal range of homocysteine levels are less than 15 micromoles per liter (mcmol/L). Higher levels are: Moderate (15 to 30 mcmol/L). Intermediate (30 to 100 mcmol/L). Severe (greater …

Normally, your homocysteine levels are low. That's because your body uses vitamin B12, vitamin B6, and folic acid (also called folate or vitamin B9) to quickly break down homocysteine and …

Most laboratories report normal homocysteine levels in the blood between 4 and 15 micromoles/liter (µmol/L). Any measurement above 15 is considered high. Any measurement …

Homocysteine is an amino acid produced by the body by chemically altering adenosine. Amino acids are naturally made products, which are the building blocks of all the proteins in the body. …

Dec 9, 2025 · Normal vs. High Levels Homocysteine levels may differ among genders, but a value between 5 and 15 micromoles per liter (mcmol/L) is generally considered normal. 3

Mar 6, 2025 · Typical homocysteine levels are usually from 5 to 15 micromoles/liter (μmol/l). If the levels are above this, a person has hyperhomocysteinemia.