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Hemoglobin and Hematocrit
MessagePerformed by the Hematology Laboratory x5475,76.
Test Code
HH
Alias/See Also
H&H
CPT Codes
85018 and 85014
Preferred Specimen
Whole blood
Minimum Volume
0.5 mL
Instructions
Other Hematology tests requiring a Purple Top (EDTA) tube can
also be performed on this sample. If other tests are ordered,
a minimum of 3 mL is required.
also be performed on this sample. If other tests are ordered,
a minimum of 3 mL is required.
Transport Container
3 mL Purple Top (EDTA)
Transport Temperature
Room Temperature
Specimen Stability
Room Temperature: 6 hours
Refrigerated: 24 hours
Refrigerated: 24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, QNS, Clotted
Methodology
sodium lauryl sulfate (SLS)-hemoglobin method, impedence particle count
Setup Schedule
24.7
Reference Range
Refer to individual tests: Hemoglobin and Hematocrit.
Clinical Significance
assess bleeding or anemia
