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HelpTest Code LAB294 CBC Without Differential
Methodology
Includes blood indices, hematocrit (Hct), hemoglobin (Hgb), platelet count, RBCs, and WBCs.
Performing Laboratory
TidalHealth Peninsula Regional - Core Laboratory: Hematology
Specimen Requirements
Submit only 1 of the following specimens:
Capillary
Specimen must arrive in laboratory immediately after collection.
Collect blood in a lavender-top (EDTA) MICROTAINER, and send 0.5 mL of EDTA whole blood. (Clotted or hemolyzed specimen is not acceptable.)
Note: 1. Indicate capillary blood.
2. Label specimen appropriately (capillary blood).
Venous
Specimen must arrive within 24 hours of draw.
Draw blood in a lavender-top (EDTA) tube, and send 4 mL of EDTA whole blood. (Clotted or hemolyzed specimen is not acceptable.)
Note: 1. Indicate venous blood.
2. Label specimen appropriately (venous blood).
Reference Values
Hct
Males
0-6 days: 52-66%
7-13 days: 45-60%
14 days-1 month: 37-53%
1-2 months: 30-39%
2 months-8 years: 33-45%
9-13 years: 38-48%
≥14 years: 39-54%
Females
0-13 days: 45-60%
14 days-1 month: 37-52%
1-2 months: 30-39%
2 months-8 years: 33-45%
9-13 years: 34-42%
≥14 years: 36-50%
MCV
0-6 days: 95-108 U3
7-14 days: 88-107 U3
15 days-1 month: 85-104 U3
2 months-3 years: 77-96 U3
4-13 years: 77-86 U3
≥14 years: 80-96 U3
MCH
26-32 pg
MCHC
32-36 pg/mL
RDW
12.3-17.0%
PLATELET COUNT
150-400 k/cmm
Critical values (automatic call-back)
Non nursery: <20 k/cmm or >1,000 k/cmm
Nursery: <50 k/cmm or >1,000 k/cmm
WBC
0-14 days: 7.0-18.0 k/cmm
15 days-1 month: 5.0-15.0 k/cmm
1 month-3 years: 5.5-14.0 k/cmm
4 - 8 years: 5.5-12.5 k/cmm
≥9 years: 3.6-11.2 k/cmm
Pediatric Critical value (automatic call-back) <16 years old: < 1.0 k/cmm and > 30.0 k/cmm
Adult Critical value (automatic call-back) ≥ 16 years old: < 1.0 k/cmm
RBC
Males
0-6 days: 3.7-6.4 MIL/cm
7-14 days: 3.6-6.4 MIL/cm
15 days-1 month: 2.8-5.2 MIL/cm
1-2 months: 2.7-4.2 MIL/cm
2 months-3 years: 3.2-4.3 MIL/cm
4-13 years: 3.7-5.0 MIL/cm
≥14 years: 4.06-5.63 MIL/cm
Females
0-14 days: 3.3-6.4 MIL/cm
15 days-1 month: 2.8-5.2 MIL/cm
1-2 months: 2.7-4.2 MIL/cm
2 months-3 years: 3.2-4.3 MIL/cm
4-13 years: 3.7-5.0 MIL/cm
≥14 years: 4.1-5.3 MIL/cm
Hgb
Males
0-6 days: 17.0-22.0 g/dL
7-14 days: 15.0-20.0 g/dL
15 days-1 month: 12.5-17.5 g/dL
1-2 months: 10.5-13.0 g/dL
2 months-3 years: 11.0-13.5 g/dL
4-13 years: 11.5-14.8 g/dL
≥14 years: 13.0-18.0 g/dL
Females
0-14 days: 15.0-20.0 g/dL
15 days-1 month: 12.5-17.5 g/dL
1-2 months: 10.5-13.0 g/dL
2 months-8 years: 11.0-13.5 g/dL
9-13 years: 11.5-14.0 g/dL
≥14 years: 12.0-16.5 g/dL
Pediatric Critical value (automatic call-back) <16 years old: <6.0 g/dL and > 25.0 g/dL
Adult Critical value (automatic call-back) ≥ 16 years old: <6.0 g/dL
Additional Information
Available STAT