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Hematology Department

High

Low

Hematology

> 60 % (outpatients)

< 15 %(inpatients)

<25%(outpatients)

*HCT (packed cell volume)

0-7weeks          24.0g/dl

>7weeks           20.0g/dl

0-7weeks          6.0g/dl

>7weeks           6.0g/dl

*Hb

>1000000 cu/mm

<40000 cu/mm

*Platelet count (adult )

>1000000 cu/mm

<20000 cu/mm

*Platelet count (pediatric )

>50000 cu/mm

<1500 cu/mm

*WBC

> 60 mm Hg

< 20 mm Hg

*Arterial pCO2

> 7.55 U

< 7.25 U

*Arterial pH

600 mm Hg

< 60 mm Hg

*Arterial pO2 (adult )

90 mm Hg (SD=12)

< 37 mm Hg

*Arterial pO2 (Newborns)

>40 mEq /L

<15 mEq /L

*Bicarbonate

 

Seen organisms

Malaria

>100 cu/mm

None

*WBC in CSF

Presence of malignant cell or blast or any other body fluid

*Presence of blast cells , sickle cells

* New diagnosis of leukemia , sickle cell anemia , Aplastic crisis   

*Incompatible cross match

*Positive direct & indirect anti globulin (Coombs ' ) test on cord blood

*Titers of significant RBC alloantibodies during pregnancy

*Transfusion reaction workup showing incompatible unit of transfused blood

*Failure to call within 72 hrs for Rh Ig after possible or known exposure to Rh- positive RBCs

Reference:

www.Aruplab.com ,  www.mayomedicallaboratories.com

Some data form Emmancipator K.Critical values .ASCP practice parameter .Am J Clin Pathol 1997,108 :24