Test Code Hgb Hemoglobin
Useful For
Used to determine the amount of hemoglobin in blood. Hemoglobin is a protein in your red blood cells that carries oxygen to our body’s organs and tissues and transports carbon dioxide from organs and tissues back to the lungs.
Collection Method
Venous draw, Capillary Draw
Minimum Volume
Adult: 1 mL, Pediatric 300 uL
Container
Purple (EDTA)
Preferred Specimen
Whole Blood
Acceptable Specimens
EDTA Whole Blood, BD EDTA MAP tube
Reference or Target Ranges
Hemoglobin
Males | |
Birth – 7 days | 13.5 – 22.0 g/dL |
8 – 14 days | 12.5 – 21.0 g/dL |
15 days – 1 month | 10.0 – 20.0 g/dL |
2 – 5 months | 10.0 – 14.0 g/dL |
6 months – 2 years | 10.5 – 13.5 g/dL |
2 years | 11.0 – 14.0 g/dL |
3 – 5 years | 11.0 – 14.5 g/dL |
6 – 11 years | 12.0 – 14.0 g/dL |
12 -15 | 12.8 – 16.0 g/dL |
Adults | 13.5 – 17.5 g/dL |
Reportable Units
g/dL
Critical Value
Parameter | Low value | High value |
Hemoglobin (8 weeks and up) | <6 g/dL | >21 g/dL |
Hemoglobin (0 – 8 weeks) | <7 g/dL | >24 g/dL |
Reasons for Rejection
Hemolysis Threshold | N/A |
Icterus Threshold | N/A |
Lipemia Threshold | N/A |
Other | Clotted; QNS, Contaminated; Improperly labeled |
Specimen Stability
Ambient | Up to 24 hours at room temperature |
Refrigerated (4°C to 8°C) | 24 Hours |
Frozen(-70°C to 0°C) | N/A |
Performance Information
Days and Time Performed | 24/7 |
Expected Turn Around Time | Stat within 1 hour of arrival in lab Routine within 4 hours of arrival in lab |
Stat Availabilty | Yes |
Performing Bench | UH, WCH Hematology |
Methodology/Method Description | Sysmex – Hemoglobin (HGB) is converted to SLS-hemoglobin and read photometrically. |
Special Handling
Room Temp
CPT Codes
85018