← Blood
Blood· LOINC 4544-3
Hematocrit
40.1%
In rangeUp 1.3% since 2 July · moving the right way
Where it sits
3446
Trend
Hover any point for that drawShaded band is the optimal range · 35–45 % standard6 draws · Mar – Aug 2026
What this measures
The share of blood volume made up of red cells. Tracks hemoglobin closely.