Table 1

Recommendations for the diagnosis of ITP in children and adults

Basic evaluationTests of potential utility in the management of an ITP patientTests of unproven or uncertain benefit
  • Patient history

 
  • Glycoprotein-specific antibody

 
  • TPO

 
  • Family history

 
  • Antiphospholipid antibodies (including anticardiolipin and lupus anticoagulant)

 
  • Reticulated platelets

 
  • Physical examination

 
  • Antithyroid antibodies and thyroid function

 
  • PaIgG

 
  • Complete blood count and reticulocyte count

 
  • Pregnancy test in women of childbearing potential

 
  • Platelet survival study

 
  • Peripheral blood film

 
  • Antinuclear antibodies

 
  • Bleeding time

 
  • Quantitative immunoglobulin level measurement*

 
  • Viral PCR for parvovirus and CMV

 
  • Serum complement

 
  • Bone marrow examination (in selected patients; refer to text)

 
  
  • Blood group (Rh)

 
  
  • Direct antiglobulin test

 
  
   
   
   
Basic evaluationTests of potential utility in the management of an ITP patientTests of unproven or uncertain benefit
  • Patient history

 
  • Glycoprotein-specific antibody

 
  • TPO

 
  • Family history

 
  • Antiphospholipid antibodies (including anticardiolipin and lupus anticoagulant)

 
  • Reticulated platelets

 
  • Physical examination

 
  • Antithyroid antibodies and thyroid function

 
  • PaIgG

 
  • Complete blood count and reticulocyte count

 
  • Pregnancy test in women of childbearing potential

 
  • Platelet survival study

 
  • Peripheral blood film

 
  • Antinuclear antibodies

 
  • Bleeding time

 
  • Quantitative immunoglobulin level measurement*

 
  • Viral PCR for parvovirus and CMV

 
  • Serum complement

 
  • Bone marrow examination (in selected patients; refer to text)

 
  
  • Blood group (Rh)

 
  
  • Direct antiglobulin test

 
  
   
   
   

Refer also to supplemental Document 2.

Rh indicates rhesus; H pylori, Helicobacter pylori; HIV, human immunodeficiency virus; HCV, hepatitis C virus; PCR, polymerase chain reaction; CMV, cytomegalovirus; TPO, thrombopoietin; and PaIgG, platelet-associated immunoglobulin G.

*

Quantitative immunoglobulin level measurement should be considered in children with ITP and is recommended in those children with persistent or chronic ITP as part of the reassessment evaluation.

Recommended by the majority of the panel for adult patients regardless of geographic locale.

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