Compatibility of donor blood.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Compatibility of donor blood. Why it is done: Before transfusion. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references
Before transfusion.
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Compatible. Low or negative may mean: Incompatible: another unit is needed. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
⚠️ Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
Why is Blood grouping and crossmatch done?
Before transfusion.
Do I need to prepare or fast for Blood grouping and crossmatch?
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Compatible. Low or negative may mean: Incompatible: another unit is needed. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references