Normal Value of Hematological Parameters……

Hemoglobin

  • Male                              :  13-18 gm/dl
  • Female                               :  12-16.5 gm/dl
  • Children (up to 1 year)   : 11-13 gm/dl
  • Children (10-12 years)    : 11.5-14.5 gm/dl
  • Infants (New born)         : 13.5-19.5 gm/dl

Total RBC count

  • Male      : 4.5-6.0 million/cu.mm
  • Female  : 4.0-5.0 million/cu.mm

Total WBC count

  • Adults             : 4,000-11,000/cu.mm
  • At birth           : 10,000-25,000/cu.mm
  • 1 to 3 years      : 6,000-18,000/cu.mm
  • 4 to 7 years      : 6,000-15,000/cu.mm
  • 8 to 12 year     : 4,500-13,500/cu.mm

Total platelet count

  • 1.5-4.0 lakes/cu.mm

Total Reticulocyte count

  • Adults : 0.2-2.0 %
  • Infants : 2.0-6.0 %

Absolute Eosinophil count

  • 40-440/cu.mm

Differential Leukocyte count

  • Neutrophils                 : 40-75 %  ( mean  :  57 % )
    • Band forms       : 2-6 % ( mean  :  3 % )
    • Segmented        : 50-70 % ( mean  :  54 % )
  • Eosinophils                  : 1-4 % ( mean : 2 % )
  • Basophils                     : 0-1 %
  • Lymphocytes             : 20-45 % (mean :  37 % )
  • Monocytes                  : 2-8 % (mean : 6 % )

Erythrocyte Sedimentation Rate (ESR)

  • By Westergren’s method        :
    • Male    : 0-15 mm/1st hour
    • Female : 0-20 mm/ 1st hour
  • By Wintrobe’s method  :
    • Male     : 0-9 mm/1st hour
    • Female : 0-20 mm/ 1st hour

Packed cell volume (PCV)

  • Male                  : 42-52 %
  • Female               : 36-48 %
  • Late pregnancy : 23-37 %  

Red Cell Indices

  • Mean Corpuscular Volume (MCV)
    • 82 – 92 fl
    • 92 ± 9 fl
  • Mean Corpuscular Haemoglobin (MCH)
    • 27 – 32 pg
    • 29.5 ± 2.5 pg
  • Mean Corpuscular Haemoglobin Concentration (MCHC)
    • 32 – 36 % (gm/dl)
    • 32.5 ± 2 % (gm/dl)

Bleeding Time (BT)   :

  • Duke method              :  1 – 5 Minutes.
  • Ivy method                 :   5 – 11 Minutes.

Clotting Time (CT)   :

  • Capillary method        :
  • Venipuncture method
    (Lee-White method) :           4 – 9 Minutes.

Prothrombin Time (PT)  :

  • 11 – 16 Seconds
  • 14 ± 2 Seconds

Partial Thrombin Time (PTT)         :

  • 60 – 80Seconds

Activated  Partial Thrombin Time (APTT)   :

  • 35 – 40Seconds

Thrombin Time (TT)            :

  • 15 – 20 Seconds

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