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THE PURSER WELLNESS REFERENCE

Understand your lab vocabulary.

205 approved laboratory references. Explore the exact ranges, units and context from Dr. Purser’s adult baseline.

12 entries

Inflammation, Autoimmunity, and Immunoglobulins

ANA screen — lab reference

A positive ANA requires titer, pattern, symptoms, and disease-specific antibody interpretation.

Inflammation, Autoimmunity, and Immunoglobulins

Anti-CCP — lab reference

Assay-specific; higher values may carry greater specificity.

Inflammation, Autoimmunity, and Immunoglobulins

C-reactive protein (standard CRP) — lab reference

Assay-specific. Acute infection, injury, and chronic inflammation may elevate.

Inflammation, Autoimmunity, and Immunoglobulins

Complement C3 — lab reference

Use performing-lab range and trend with C4/CH50 and disease activity.

Inflammation, Autoimmunity, and Immunoglobulins

Complement C4 — lab reference

Use performing-lab range and trend.

Inflammation, Autoimmunity, and Immunoglobulins

Cytokines, including IL-6 and TNF-α — lab reference

Preanalytic and assay variability is high. Use exact laboratory intervals and a defined clinical use case.

Inflammation, Autoimmunity, and Immunoglobulins

Erythrocyte sedimentation rate (ESR) — lab reference

Age, anemia, pregnancy, immunoglobulins, and technical factors affect result.

Inflammation, Autoimmunity, and Immunoglobulins

Fibrinogen — lab reference

Coagulation factor and acute-phase reactant. Duplicate review with coagulation section if preferred.

Inflammation, Autoimmunity, and Immunoglobulins

Immunoglobulin A (IgA) — lab reference

Age and assay-specific. Important when interpreting IgA-based celiac testing.

Inflammation, Autoimmunity, and Immunoglobulins

Immunoglobulin G (IgG) — lab reference

Age and assay-specific. Consider subclasses or electrophoresis when indicated.

Inflammation, Autoimmunity, and Immunoglobulins

Immunoglobulin M (IgM) — lab reference

Age and assay-specific.

Inflammation, Autoimmunity, and Immunoglobulins

Rheumatoid factor — lab reference

Assay-specific and nonspecific. Interpret with symptoms and anti-CCP.

These pages adapt the Purser educational materials into plain language. They are educational summaries, not individualized assessments or a claim of independent medical review.