| Si Units | ||
|---|---|---|
| Hematocrit (HCT) (Whole Blood) | ||
| Adult Females | ||
| 18-44 years | 35%-45% | 0.35-0.45 |
| 45-64 years | 35%-47% | 0.35-0.47 |
| 65-74 years | 35%-47% | 0.35-0.47 |
| Pregnant | ||
| Trimester 1 | 35%-46% | 0.35-0.46 |
| Trimester 2 | 30%-42% | 0.30-0.42 |
| Trimester 3 | 34%-44% | 0.34-0.44 |
| Postpartum | 30%-44% | 0.30-0.44 |
| Adult males | ||
| 18-44 years | 39%-49% | 0.39-0.49 |
| 45-64 years | 39%-50% | 0.39-0.50 |
| 65-74 years | 37%-51% | 0.37-0.51 |
| Children | ||
| At birth | 42%-68% | 0.42-0.68 |
| Cord blood | 42%-60% | 42%-60% |
| 2 weeks | 41%-65% | 0.41-0.65 |
| 1 month | 33%-55% | 0.33-0.55 |
| 2 months | 28%-42% | 0.28-0.42 |
| 4 months | 32%-44% | 0.32-0.44 |
| 6 months | 31%-41% | 0.31-0.41 |
| 9 months | 32%-40% | 0.32-0.40 |
| 1 year | 33%-41% | 0.33-0.41 |
| 4 years | 31%-44% | 0.31-0.44 |
| 6-8 years | 33%-41% | 0.33-0.41 |
| 9-11 years | 34%-43% | 0.34-0.43 |
| 12-14 years (male) | 35%-45% | 0.35-0.45 |
| 12-14 years (female) | 34%-44% | 0.34-0.44 |
| 15-17 years (male) | 37%-48% | 0.37-0.48 |
| 15-17 years (female) | 34%-44% | 0.34-0.44 |
| Hemoglobin (HGB) | ||
| Adult Females | 12-16 g/dL | 7.4-9.9 mmol/L |
| Pregnant | ||
| Trimester 1 | 11.4-15.0 g/dL | 7.1-9.3 mmol/L |
| Trimester 2 | 10.0-14.3 g/dL | 6.2-8.9 mmol/L |
| Trimester 3 | 10.2-14.4 g/dL | 6.3-8.9 mmol/L |
| Postpartum | 10.4-18.0 g/dL | 6.4-9.3 mmol/L |
| Adult Males | 14.0-18.0 g/dL | 8.7-11.2 mmol/L |
| Panic low level | <5 g/dL | <3.1 mmol/L |
| Panic high level | >18 g/dL | >11.2 mmol/L |
| Children | ||
| At birth | 15.5-24.5 g/dL | 9.6-15.2 mmol/L |
| 12-24 hours | 19.0 g/dL | 11.8 mmol/L |
| 1 week | 14.3-22.3 g/dL | 8.9-13.8 mmol/L |
| 2 weeks | 10.7-17.3 g/dL | 6.6-10.7 mmol/L |
| 1 month to 1 year | 9.9-15.5 g/dL | 6.1-9.6 mmol/L |
| 2 years | 9.0-14.6 g/dL | 5.6-9.0 mmol/L |
| 4 years | 9.4-15.5 g/dL | 5.8-9.6 mmol/L |
| 8-20 years | 13.4 g/dL | 8.3 mmol/L |
| Panic levels | <5 g/dL | <3.1 mmol/L |
| >18 g/dL | >11.2 mmol/L | |
| Red Blood Cells (RBCs) | ||
| Adult Females | 4.0-6.2 million/μL | 4.0-6.2 × 1012/L |
| Pregnant | ||
| Trimester 1 | 4.0-5.0 million/μL | 4.0-5.0 1012/L |
| Trimester 2 | 3.2-4.5 million/μL | 3.2-4.5 1012/L |
| Trimester 3 | 3.0-4.9 million/μL | 3.0-4.9 x 1012/L |
| Postpartum | 3.2-5.0 million/μL | 3.2-5.0 1012/L |
| Adult Males | 4.0-6.2 million/μL | 4.0-6.2 × 1012/L |
| Children | ||
| At birth | 4.1-6.1 million/μL | 4.1-6.1 x 1012/L |
| 1 week | 5.1 million/μL | 5.1 x 1012/L |
| 2 weeks | 3.8-5.6 million/μL | 3.8-5.6 1012/L |
| 1 month to 1 year | 3.8-5.2 million/μL | 3.8-5.2 x 1012/L |
| 2 years | 3.6-5.5 million/μL | 3.6-5.5 x 1012/L |
| 4 years | 4.0-5.2 million/μL | 4.0-5.2 x 1012/L |
| 6 years | 4.7 million/μL | 4.7 x 1012/L |
| 8-20 years | 4.8 million/μL | 4.8 x 1012/L |
| Mean Cell Volume (MCV) | ||
| Adults | 82-93 μm3 | 82-93 fL |
| Children | ||
| At birth | 106 μm3 | 106 fL |
| 12-24 hours | 105 μm3 | 105 fL |
| 1 week | 103 μm3 | 103 fL |
| 2 weeks | 90 μm3 | 90 fL |
| 1 month to 1 year | 82-88 μm3 | 82-88 fL |
| 2 years | 77 μm3 | 77 fL |
| 4 years | 80 μm3 | 80 fL |
| 11-15 years | 82 μm3 | 82 fL |
| Mean Cell Hemoglobin (MCH) | ||
| Adults | 26-34 pg | 1.61-2.11 fmol |
| Children | ||
| At birth | 38 pg | 2.36 fmol |
| 12-24 hours | 38 pg | 2.36 fmol |
| 1 week | 36 pg | 2.23 fmol |
| 2 weeks | 33 pg | 2.05 fmol |
| 1 month to 1 year | 26 pg | 1.61 fmol |
| 2 years | 25 pg | 1.55 fmol |
| 4 years | 26 pg | 1.61 fmol |
| 6 years | 27 pg | 1.67 fmol |
| 8-20 years | 28 pg | 1.73 fmol |
| Mean Cell Hemoglobin Concentration (MCHC) | ||
| Adults | 31-38% | 19.2-23.58 mmol/L |
| Children | ||
| At birth | 36% | 22.34 mmol/L |
| 1 week | 34% | 21.10 mmol/L |
| 2 weeks | 33% | 20.48 mmol/L |
| 1 month to 1 year | 33%-34% | 20.48-21.10 mmol/L |
| 2 years | 32% | 19.86 mmol/L |
| 4 years | 35% | 21.72 mmol/L |
| 6 years | 34% | 21.10 mmol/L |
| 8-20 years | 34% | 21.10 mmol/L |
| White Blood Cells (WBCs) | ||
| Adult Females | 4500-11,000/μL | 4.5-11.0 109 L |
| Pregnant | ||
| Trimester 1 | 6600-14,100/μL | 6.6-14.1 × 109 L |
| Trimester 2 | 6900-17,100/μL | 6.9-17.1109 L |
| Trimester 3 | 5900-14,700/μL | 5.9-14.7 × 109 L |
| Postpartum | 9700-25,700/μL | 9.7-25.7 × 109 L |
| Adult Males | 4500-11,000/μL | 4.5-11.0 x 109 L |
| Children | ||
| At birth | 9000-30,000/μL | 9.0-30.0 × 109 L |
| 1 month to 1 year | 6000-17,500/μL | 6.0-17.5 x 109 L |
| 4 years | 5700-16,300/μL | 5.7-16.3 × 109 L |
| 8-20 years | 4500-13,500/μL | 4.5-13.5 × 109 L |
| Differential White Blood Cells-Granulocytes | ||
| Segmented Neutrophils (Segs) | 54%-62% | 0.54-0.62 |
| Adults | 3800/μL or mm3 | 3800 x 106/L |
| Children | ||
| At birth | 8400/μL or mm3 | 8400 x 106/L |
| 12-24 hours | 8870-12,100/μL or mm3 | 8870-12,100 × 106/L |
| 1 week | 4100/μL or mm3 | 4100 x 106/L |
| 2 weeks | 3320/μL or mm3 | 3320 x 106/L |
| 1 month to 1 year | 2680-2750/μL or mm3 | 2680-2750 x 106/L |
| 2 years | 2660/μL or mm3 | 2660 x 106/L |
| 4 years | 3040/μL or mm3 | 3040 x 106/L |
| 6 years | 3600/μL or mm3 | 3600 x 106/L |
| 8-20 years | 3700-3800/μL or mm3 | 3700-3800 x 106/L |
| Band Neutrophils (Bands) | 3%-5% | 0.03-0.05 |
| Adults | 620/μL or mm3 | 620 ×106/L |
| Children | ||
| At birth | 2540/μL or mm3 | 2540 x 106/L |
| 12-24 hours | 2680-3460/μL or mm3 | 2680-3460 × 106/L |
| 1 week | 1420/μL or mm3 | 1420 x 106/L |
| 2 weeks | 1200/μL or mm3 | 1200 x 106/L |
| 1 month to 1 year | 990-1150/μL or mm3 | 990-1150 x 106/L |
| 2 years | 850/μL or mm3 | 850 x 106/L |
| 4 years | 710/μL or mm3 | 710 × 106/L |
| 6 years | 670/μL or mm3 | 670 × 106/L |
| 8-20 years | 620-660/μL or mm3 | 620-660 × 106/L |
| Eosinophils (Eos) | 1%-3% | 0.01-0.03 |
| Adults | 200/μL or mm3 | 200 x 106/L |
| Children | ||
| At birth | 400/μL or mm3 | 400 x 106/L |
| 12-24 hours | 450/μL or mm3 | 450 x 106/L |
| 1 week | 500/μL or mm3 | 500 x 106/L |
| 2 weeks | 350/μL or mm3 | 350 x 106/L |
| 1 month to 1 year | 300/μL or mm3 | 300 x 106/L |
| 2 years | 280/μL or mm3 | 280 × 106/L |
| 4 years | 250/μL or mm3 | 250 x 106/L |
| 6 years | 230/μL or mm3 | 230 x 106/L |
| 8-20 years | 200/μL or mm3 | 200 x 106/L |
| Basophils (Basos) | <0.75% | 0-0.0075 |
| Adults | 40/μL or mm3 | 40 x 106/L |
| Children | ||
| Birth to 24 hours | 100/μL or mm3 | 100 x 106/L |
| 1 week to 6 years | 50/μL or mm3 | 50 x 106/L |
| 8-20 years | 40/μL or mm3 | 40 x 106/L |
| Monocytes (Monos) | 3%-7% | 0.3-0.7 |
| Adults | 300/μL or mm3 | 300 x 106/L |
| Children | ||
| At birth | 1050/μL or mm3 | 1050 x 106/L |
| 12-24 hours | 1100-1200/μL or mm3 | 1100-1200 x 106/L |
| 1 week | 1100/μL or mm3 | 1100 x 106/L |
| 2 weeks | 1000/μL or mm3 | 1000 x 106/L |
| 1 month to 1 year | 700/μL or mm3 | 700 x 106/L |
| 2 years | 530/μL or mm3 | 530 x 106/L |
| 4 years | 450/μL or mm3 | 450 x 106/L |
| 6 years | 400/μL or mm3 | 400 x 106/L |
| 8-20 years | 350-400/μL or mm3 | 350-400 x 106/L |
| Lymphocytes (Lymphs) | 25%-33% | 0.25-0.33 |
| Adults | 2500/μL or mm3 | 2500 x 106/L |
| Children | ||
| At birth | 5500/μL or mm3 | 5500 x 106/L |
| 12-24 hours | 5800/μL or mm3 | 5800 x 106/L |
| 1 week | 5000/μL or mm3 | 5000 x 106/L |
| 2 weeks | 5500/μL or mm3 | 5500 x 106/L |
| 1 month to 1 year | 6000-7000/μL or mm3 | 6000-7000 × 106/L |
| 2 years | 6300/μL or mm3 | 6300 x 106/L |
| 4 years | 4500/μL or mm3 | 4500 x 106/L |
| 6 years | 3500/μL or mm3 | 3500 x 106/L |
| 8-20 years | 2500-3300/μL or mm3 | 2500-3300 x 106/L |
| Platelets (Plt) | ||
| Adults | 150,000-400,000/μL or mm3 | 150-400 x 109/L |
| Panic levels | <30,000/μL or mm3 >1,000,000/μL or mm3 | <30 x 109/L >1000 x 109/L |
| Children | ||
| At birth | 100,000-300,000/μL or mm3 | 100-300 x 109/L |
| 1 week | 260,000/μL or mm3 | 260 x 109/L |
| 2 years | 250,000/μL or mm3 | 250 x 109/L |
| Panic levels | <20,000/μL or mm3 >1,000,000/μL or mm3 | <20 x 109/L >1000 × 109/L |
Increased.
See individual test listings.
Decreased.
See individual test listings.
Description.
The complete blood count (CBC) consists of several tests that allow for the evaluation of different cellular components of the blood on a broad range of clients. The items commonly evaluated include hemoglobin, hematocrit, red blood cells, red blood cell indices, white blood cells, white blood cell
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