Browse through Dr. Akhter's collection of files on various immunologic disorders and deficiencies and their work up.
Many primary immunodeficiencies have clinical definitions.  Here are clinical definitions from the European Society for Immunodeficiencies (ESID) 
Immunology Work up
Dr. Akhter's frequently ordered immunology labs. 
Ataxia Telangiectasia
Diagnostic criteria for AT. 
Chronic Granulomatous Disease
Diagnostic criteria for CGD 
Common Variable Immunodeficiency
Diagnostic description of CVID 
DiGeorge Syndrome
Diagnosis of partial and complete DiGeorge Syndromes 
Differential diagnosis for hypogam. 
IgA Deficiency
Diagnostic criteria for IgA deficiency 
Leukocyte Adhesion Defects
Diagnostic criteria for LAD 
MHC Class II Deficiency
Description of MHC Class II deficiency 
Nijmegen Breakage Syndrome
Diagnostic criteria and DDx of NBS 
Severe Combined Immunodeficiency
Diagnosis and differential possibilities for SCID 
WHIM Syndrome
Just read about this syndrome 
Wiskott-Aldrich Syndrome
Diagnostic criteria for Wiskott-Aldrich 
X-linked Agammaglobulinemia
Diagnostic criteria for X-linked Agam 
X-linked Lymphoproliferative Syndrome
Diagnostic criteria for X-linked Lymphoproliferative Syndrome 
Diagnostic criteria for X-linked Hyper IgM Syndrome 
Diagnostic criteria for X-linked Severe Combined Immunodeficiency 

 Complement Algorithm