Required section · Section 1 of 6
A CBC result that needs context
An adult EDTA CBC has RBC 3.10 × 10^12/L, hemoglobin 9.1 g/dL, hematocrit 27.0%, MCV 87.1 fL, WBC 8.5 × 10^9/L, neutrophils 55%, platelets 165 × 10^9/L, and MPV 10.8 fL. Low RBC, hemoglobin, and hematocrit with an MCV inside the illustrative interval support an anemia pattern; they do not identify a cause.
A CBC combines measurements and derived results. Interpret each result with its method, units, flags, specimen condition, local reference interval, and review criteria. The illustrative intervals shown here are teaching context, not reporting limits or a diagnosis.
Illustrative drawing — this picture was drawn rather than captured.
| Parameter | Result | Illustrative interval or relationship |
|---|---|---|
| RBC | 3.10 × 10^12/L | 4.2–5.7 × 10^12/L |
| Hemoglobin | 9.1 g/dL | 13.0–17.0 g/dL |
| Hematocrit | 27.0% | 39–50% |
| MCV | 87.1 fL | 80–100 fL |
| WBC | 8.5 × 10^9/L | input to absolute differential |
| Neutrophils | 55% | percentage, not an absolute concentration |
| Absolute neutrophils | 4.7 × 10^9/L | 8.5 × 0.55 = 4.675; report per local rounding |
| Platelets | 165 × 10^9/L | count input |
| MPV | 10.8 fL | platelet-volume input |
| Plateletcrit | 0.18% | 165 × 10.8 ÷ 10,000 = 0.1782%; analyzer definition/rounding apply |
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