Complete Blood Count (CBC). Prices, Reviews, Ratings
The complete blood count (CBC) is considered the most critical diagnostic method for assessing the overall response of human hematopoietic organs to physiological and pathological influences. This test determines hemoglobin levels (HGB) and counts the number of red blood cells (RBC), white blood cells (WBC), and platelets (PLT) per unit
The complete blood count (CBC) is considered the most critical diagnostic method for assessing the overall response of human hematopoietic organs to physiological and pathological influences. This test determines hemoglobin levels (HGB) and counts the number of red blood cells (RBC), white blood cells (WBC), and platelets (PLT) per unit of blood volume. It also calculates hematocrit (HCT), thrombocrit (PCT), average red blood cell size (MCV), red cell distribution width (RDW), and hemoglobin content (MCH) and concentration (MCHC) in them.
Indications for CBC Testing
The complete blood count is indispensable for a wide range of diseases and during routine or dispensary examinations. It has no contraindications or age restrictions.
All parameters calculated during this test are presented numerically. These data are then compared to similar indicators typical of a healthy body. Deviations upward or downward indicate physiological disruptions, inflammatory processes, or the presence of disease.
How the CBC Is Conducted
The test is performed on an empty stomach in the morning. The day before, patients should refrain from physical exertion, food intake, and medications to avoid inaccuracies or distortions in the results.
In most medical facilities, this involves collecting capillary blood from the fingertip. The skin is punctured with a disposable lancet. After the procedure, bleeding is stopped with a swab soaked in an alcohol solution.
The calculation of necessary parameters largely depends on equipment availability. The analysis is conducted by qualified lab technicians, either manually or using a high-performance hematology analyzer.
It should be noted that no modern device can fully replace an experienced specialist’s study of cell morphology.
Results are evaluated for compliance with parameters such as:
- Hb level – normal for women (F): 120–160 g/L, for men (M): 130–180 g/L.
- Red blood cells – F: 4.2-5.5×10¹²/L, M: 4.5-6.3×10¹²/L; white blood cells – 4.3-9.8×10⁹/L; platelets – 180-400×10⁹/L.
- Hematocrit – percentage of red blood cells to plasma, F: 37-47%, M: 42-52%.
- Thrombocrit – percentage of platelets in plasma: 0.15-0.40.
- Average red blood cell volume – 80-100 µm³.
- Red cell distribution width – 12-15%.
- Hemoglobin content (28-33 pg) and concentration (32-36 g%) in red blood cells.
Turnaround Time for CBC
Results are typically available within one day. In emergencies or with a hematology analyzer-equipped lab, the turnaround time can be reduced to 10-30 minutes.
Such lab procedures are often needed for comparative studies and adjustments to treatment plans. In these cases, doctors recommend using the same lab, where sample collection and preparation techniques are consistent, ensuring the most reliable interpretation.
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