Print By Mayo Clinic Staff Request an appointment About April 12, 2024 Print Show references Hemoglobin blood test. Testing.com. https://www.testing.com/tests/hemoglobin/. Accessed Aug. 29, 2023. Loscalzo J, et al., eds. Disorders of hemoglobin. In: Harrison's Principles of Internal Medicine. 21st ed. McGraw Hill; 2022. https://accessmedicine.mhmedical.com. Accessed Aug. 29, 2023. Complete blood cell count (CBC) with differential, blood. Mayo Clinic Laboratories. https://www.mayocliniclabs.com/test-catalog/overview/9109#Clinical-and-Interpretive. Accessed Aug. 29, 2023. Nicoll D, et al. Lab tests: In: Guide to Diagnostic Tests. 7th ed. McGraw-Hill; 2017. https://accessmedicine.mhmedical.com. Accessed Aug. 29, 2023. George TI. Automated complete blood count (CBC). https://www.uptodate.com/search/contents. Accessed Aug. 30, 2023. Pruthi RK (expert opinion). Mayo Clinic. Sept. 17, 2023. Tefferi A. Diagnostic approach to the patient with erythrocytosis/polycythemia. https://www.uptodate.com/contents/search. Accessed Sept. 18, 2023. Related Iron deficiency anemia Thalassemia Products & Services A Book: Mayo Clinic Family Health Book Newsletter: Mayo Clinic Health Letter — Digital Edition Show more products and services from Mayo Clinic Hemoglobin testAbout PRC-20257447 Patient Care & Health Information Tests & Procedures Hemoglobin test