Laboratory Services
Hemoglobin and Hematocrit
Print this pageUpdated Test Information:
| Test Description |
Hemoglobin and Hematocrit
|
|
|---|---|---|
| Synonym(s) |
H&H, HGB, HCT
|
|
| Test ID |
HH
|
|
| General Information |
Evaluate anemia, blood loss, hydration or suspected polycythemic condition, and response to treatment
|
|
| Specimen Type |
Whole Blood
|
|
| Specimen Requirements |
Lavender
|
|
| Specimen Collection / Processing Instructions |
Lavender - Invert tube 8 to 10 times immediately after collection
|
|
| Minimum Sample Volume |
0.5 mL of Whole Blood
|
|
| Pediatric Min. Volume (if applicable) |
500 μL for pediatric microtainer capillary tubes; fill tube to capacity.
|
|
| Additional Processing Details |
Specimen is stable at Room Temperature 1 day Specimen is stable Refrigerated 2 days
|
|
| Stability |
Room Temperature: 1 day
Refrigerated: 2 days Frozen: Unacceptable |
|
| Unacceptable Specimen Conditions |
Hemolysis; clotted specimen; specimen drawn in any anticoagulant other than EDTA; specimen diluted or contaminated with IV fluid; tube not filled with minimum volume; improper labeling; transfer tubes with whole blood; specimen received with plasma removed.
|
|
| Limitations |
Hyperlipemic plasma or white count >50,000/mm³ may falsely elevate the hemoglobin result with corresponding increase in the MCH. The laboratory will attempt to correct this interference by a special technique.
|
|
| Methodology |
Automated
|
|
| Estimated TAT |
0-2 days
|
|
| Testing Schedule |
Monday-Saturday, & STAT
|
|
| CPT Code(s) |
85014
85018 |
|
| Reference Range |
HGB, g/dL M: 13.7 - 16.7 F: 11.6 - 15.5 HCT, % M: 40 - 50 F: 35 - 46 |
|
| Reflex Conditions |
None
|
|
| Performing Lab |
Incyte Diagnostics
|
|
| LOINC Code(s) |
24360-0
|
