• Myeloperoxidase Antibody, IgG
  • Fungal Culture, Toenail
  • Urea Nitrogen (BUN), Random, Urine
  • Cytomegalovirus (CMV) CD8 T-Cell Immune Competence, Quantitative Assessment by Flow Cytometry
  • Gastrointestinal Viral Pathogen Panel, Molecular
  • Bacterial Culture, Bone
  • Beta-amyloid Protein Ratio 1-42/1-40 (QUEST AD-Detectâ„¢, INNOTEST® B-AMYLOID), Plasma
  • Clostridium difficile (C. Diff) by Molecular Method
  • Hypersensitivity pneumonitis
  • Nucleophosmin (NPM1) Gene Mutation Analysis
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  • /Medical Tests
  • /Immunoglobulin Subclass IgG4
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  • Overview
  • Clinical Utility
  • Interpretation
  • Reference Ranges
  • Methodology
  • Specimen Collection
  • Additional Testing
  • Turnaround Time
  • CPT
  • LOINC
  • ICD10
  • Additional ICD10
  • References
  • All
  • Diseases
  • Overview
  • Clinical Utility
  • Interpretation
  • Reference Ranges
  • Methodology
  • Specimen Collection
  • Additional Testing
  • Turnaround Time
  • CPT
  • LOINC
  • ICD10
  • Additional ICD10
  • References

Immunoglobulin Subclass IgG4
Medical Test

CPT
Access to Immunoglobulin Subclass IgG4 is restricted.