Complete Blood Count
Hematocrit
Lab name: Hematocrit (Hct) · LOINC 4544-3
40.4%
In rangeCollected Oct 20, 2026
Lab reference interval37.5–51 %
History
Shaded band shows the laboratory reference interval.
Compared with last time
Previous · Mar 19, 2026
39.9 %
In rangeLatest · Oct 20, 2026
40.4 %
In range+0.5 since Mar 2026
Hematocrit is the percentage of your blood volume made up of red blood cells.
Why it matters: Usually moves together with hemoglobin.
Educational information only. It is not a diagnosis — please review your results with your clinician.