CBC (Complete Blood Picture) Report - Nighat Parveen
Here's a breakdown of the report, test by test, compared to the normal reference ranges given on the slip.
Overall picture: normal counts, but red cells are small and pale (mild microcytic, hypochromic pattern)
| Test | Result | Normal (Female) | Interpretation |
|---|
| Hemoglobin | 12.5 g/dL | 12.0 - 16.0 | Normal, but at the lower end |
| RBC count | 4.93 x10⁶/µL | 4.2 - 5.4 | Normal |
| PCV/HCT | 37.69% | 36 - 46 | Normal |
| MCV | 76.4 fL | 80 - 100 | Low - cells are smaller than average (microcytic) |
| MCH | 25.3 pg | 26 - 34 | Low - each cell carries less hemoglobin (hypochromic) |
| MCHC | 33.2 g/dL | 31 - 37 | Normal |
| TLC (total WBC) | 5600 /µL | 4500 - 11000 | Normal |
| Platelet count | 231,000 /µL | 140,000 - 440,000 | Normal |
| ESR | Not performed | - | Blank on report |
| Retic. count | Not performed | - | Blank on report |
Differential Leucocyte Count (DLC) - breakdown of the white cells:
| Cell type | Result | Normal | Status |
|---|
| Neutrophils | 57% | 54-62 | Normal |
| Lymphocytes | 34% | 25-33 | Marginally above range (by 1 point - not clinically meaningful on its own) |
| Monocytes | 5% | 3-7 | Normal |
| Eosinophils | 4% | 1-6 | Normal |
| Basophils | 0% | 0-0.75 | Normal |
What this means in plain terms
- Hemoglobin (12.5), RBC count, and hematocrit are all technically within the normal range, so this is not a frank, established anemia.
- However, MCV and MCH are both reduced, meaning the red blood cells being produced are smaller than normal and contain less hemoglobin per cell than they should - a microcytic, hypochromic pattern. As Harrison's Principles of Internal Medicine explains, "anemia is grouped by MCV, with those with smaller MCV called microcytic... microcytic anemia is due to any process that [impairs hemoglobin synthesis]" (Harrison's Principles of Internal Medicine, 22nd Ed).
- This combination (normal-ish hemoglobin but low MCV/MCH) often represents an early or mild stage of iron deficiency - low MCV/MCH typically appear before hemoglobin actually drops below the normal cutoff. The other classic cause of this exact pattern, especially if it's long-standing or if there's a family history, is a thalassemia trait (minor).
- White cell count, platelet count, and the differential are essentially unremarkable - no signs of infection, inflammation, or a bleeding/clotting disorder from this report.
- ESR and reticulocyte count were left blank, meaning they were not run for this sample (not "zero" - just not tested).
What I'd suggest next
This report alone can't distinguish iron deficiency from a thalassemia trait, since both cause a microcytic/hypochromic pattern. To clarify, the treating doctor would typically want:
- Iron studies - serum iron, ferritin, TIBC/transferrin saturation (low ferritin points to iron deficiency)
- Peripheral blood smear review (looking for target cells, anisocytosis, etc.)
- If iron studies are normal, hemoglobin electrophoresis / HbA2 level to check for thalassemia trait
This is general lab interpretation, not a diagnosis - the patient's doctor should correlate this with her symptoms, history (e.g., diet, menstrual history if applicable, family history of anemia), and any further tests before drawing conclusions.
A quick check of recent systematic reviews on iron deficiency anemia diagnosis didn't surface anything that changes this interpretation - the MCV/MCH-based approach remains standard.