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hematologyHas Critical Values
Hematocrit
HCT / PCV· also: PCV, Hct
Clinical Overview
Hematocrit (packed cell volume) is the percentage of blood volume occupied by red blood cells. It reflects the overall red cell mass.
Reference RangesWHO/IFCC standards
| Age Group | Sex | Reference Range | Unit | Notes |
|---|---|---|---|---|
| Adults (18–64) | Male | 41 – 53 | % | — |
| Adults (18–64) | Female | 36 – 46 | % | — |
| Children / Pediatric | All | 33 – 49 | % | — |
Also reported in: L/L.
Critical (Panic) Values
Critical Low: < 20 %. Critical High: > 60 %. Values outside these limits require immediate clinical attention.
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Related Topics
anemiaCBCred cells