|
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Hemoglobin & Hematocrit
Test CodeHH
Alias/See Also
H&H, Hgb & Hct, HH
Includes
HGB, HCT
Preferred Specimen
Adult: 5-7mL whole blood, based on tube size (1.0mL minimum)
Pediatric: 3mL whole blood (0.5mL minimum)
Neonate: 0.5mL whole blood in microtainer
Pediatric: 3mL whole blood (0.5mL minimum)
Neonate: 0.5mL whole blood in microtainer
Transport Container
EDTA (lavender/purple top)
Specimen Stability
Room temperature: 48 Hours, Refrigerated 2 days, Frozen: unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted or grossly hemolyzed specimens are unacceptable.
Limitations
The following will interfere with results: Fibrin, bacterial contamination, platelet clumps, abnormal proteins, cold agglutinins, extreme temperature conditions, resistant hemoglobin, abnormal chemistries and specimens older than 48 hours.
Reference Range
| Parameter / Units of measurement |
Male Reference Ranges | Female Reference Ranges | ||
| > 18 years | 13 – 18 years | > 18 years | 13 – 18 years | |
| HGB / g/dL | 13.7 – 17.5 | 13.0 – 16.0 | 11.2 – 15.7 | 12.0 – 16.0 |
| HCT / % | 40.1 – 51.0 | 37.0 – 49.0 | 34.1 – 44.9 | 36.0 – 46.0 |
