Home » National Institutes Of Health » NIH » Science and Research » Haptoglobin (HP) Test Haptoglobin (HP) Test June 27, 2020 Medline-NIH Off National Institutes Of Health, NIH, Science and Research 000000000000Source: National Library of Medicine – Related MedlinePlus Pages: Anemia, Blood Disorders Read Original Article: Haptoglobin (HP) Test » Previous: Methylmalonic Acid (MMA) Test Next: Hemoglobin Electrophoresis About The Author Medline-NIH