CPT® Code 83632

A blood test is conducted to measure the levels of human placental lactogen (HPL), which is also known as human chorionic somatomammotropin. This polypeptide hormone is produced by the placenta and plays a crucial role in modifying the maternal metabolic state to ensure adequate nutrition for the developing fetus. The levels of HPL in the maternal bloodstream increase in correlation with the growth of the fetus and placenta, reaching their peak during the last trimester of pregnancy. Monitoring HPL levels can provide valuable insights into fetal well-being, as abnormal levels may indicate potential issues. The test involves obtaining a blood sample through a procedure known as venipuncture, which is reported separately. The serum obtained from the blood sample is then analyzed using an enzyme immunoassay, a laboratory technique that allows for the precise measurement of hormone levels in the serum.