Test Code HGBHT Hemoglobin and Hematocrit, Blood, LAB753
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Specimen Requirements
Container/Tube:
Preferred: Lavender-Top (EDTA) Whole Blood
Specimen Volume: 300µL Whole Blood (3mL Lavender EDTA tube with minimum volume of 1mL), or 250µL Whole Blood (EDTA Microtainer)
Stability: Samples are stable for 24 hours at room temperature and up to 36 hours at 4°C. Refrigerated samples must be allowed to come to room temperature before testing.
Collection Instructions: Forward promptly.
Reference Values
HGB g/dL |
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MALE |
FEMALE |
||
AGE |
NORMAL |
AGE |
NORMAL |
0-14 days |
13.9-19.1 |
0-14 days |
13.4-20.0 |
15-30 days |
10.0-15.3 |
15-30 days |
10.8-14.6 |
1 month – 2 months |
8.9-12.7 |
1 month – 2 months |
9.2-11.4 |
3 months – 5 months |
9.6-12.4 |
3 months – 5 months |
9.9-12.4 |
6 months – 23 months |
10.1-12.5 |
6 months – 23 months |
10.2-12.7 |
2-5 years |
10.2-12.7 |
2-5 years |
10.2-12.7 |
6-11 years |
10.7-13.4 |
6-11 years |
10.6-13.2 |
12-17 years |
11.0-14.5 |
12-17 years |
10.8-13.3 |
≥18 years |
13.6-17.0 |
≥18 years |
11.3-15.6 |
HCT % |
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MALE |
FEMALE |
||
AGE |
NORMAL |
AGE |
NORMAL |
0-14 days |
39.8-53.6 |
0-14 days |
39.6-57.2 |
15-30 days |
30.5-45.0 |
15-30 days |
32.0-44.5 |
1 month – 2 months |
26.8-37.5 |
1 month – 2 months |
27.7-35.1 |
3 months – 5 months |
28.6-37.2 |
3 months – 5 months |
29.5-37.1 |
6 months – 23 months |
30.8-37.8 |
6 months – 23 months |
30.9-37.9 |
2-5 years |
31.0-37.7 |
2-5 years |
31.2-37.8 |
6-11 years |
32.2-39.8 |
6-11 years |
32.4-39.5 |
12-17 years |
33.9-43.5 |
12-17 years |
33.4-40.4 |
≥18 years |
40.0-52.0 |
≥18 years |
35.0-47.0 |
Critical Values |
Less than |
Greater than |
Hemoglobin (0-14 days) |
10.0 g/dL |
25.0 g/dL |
Hemoglobin (>14 days) |
7.0 g/dL |
20.0 g/dL |
Hematocrit (0-14 days) |
30.0% |
70.0% |
Hematocrit (15-30 days) |
24.0% |
70.0% |
Hematocrit (>30 days) |
21.0% |
60.0% |
Day(s) Test Set Up
Monday through Sunday
Useful For
Hemoglobin and Hematocrit can be helpful in the diagnosis of anemia.
Methodology
Quantitative Automated Hematology Analyzer Using Electronic Resistance Detection and Flow Cytometry
Test Classification and CPT Coding
85018 & 85014
Analytical Time
Within 30 minutes of specimen arrival
Report Available
STAT within 1 hour of receipt. Routine within 2 hours of receipt.