Test guide
Complete Blood Count (CBC)
A complete blood count, or CBC, is a group of blood tests that measure the number and size of the different cells in your blood. A CBC measures:
What it is for
A complete blood count is often part of a routine checkup . It is also used to monitor a condition or treatment that may affect your blood cell counts such as infections, anemia , immune system disorders , and blood cancers. Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Limitations
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
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