OncologyHematology

Myeloma Profile

Normal Range
Negative for Monoclonal Protein
Sample Type
Serum and Urine (24h)
Fasting
No
Unit
g/dL

Function

A Myeloma Profile is a comprehensive panel of tests designed to detect, quantify, and monitor monoclonal (M) proteins. These proteins are abnormal immunoglobulins (antibodies) produced in excess by a single clone of malignant plasma cells. The profile typically includes Serum Protein Electrophoresis (SPEP), Immunofixation (IFE), and often the Serum Free Light Chain (SFLC) assay.

Why it is Ordered

Doctors order this profile when a patient presents with symptoms suggestive of plasma cell dyscrasias, often summarized by the 'CRAB' acronym: Calcium elevation, Renal insufficiency, Anemia, and Bone lesions. It is also used to differentiate between malignant Multiple Myeloma and benign conditions like Monoclonal Gammopathy of Undetermined Significance (MGUS).

Associated Conditions

  • Multiple Myeloma: Characterized by a significant 'M-spike' on electrophoresis and bone marrow infiltration.
  • MGUS: A precursor condition where an M-protein is present but diagnostic criteria for cancer are not yet met.
  • Waldenström Macroglobulinemia: A type of lymphoma that produces an excess of IgM monoclonal proteins.
  • AL Amyloidosis: A condition where misfolded light chain proteins deposit in organs, causing damage.

Check Your Result

Check Your Result

Interactive
g/dL

Enter your lab result to see where you stand compared to the standard reference range.

Why Context Matters

The interpretation of electrophoresis 'spikes' can be subjective and requires an experienced pathologist. Certain medications, radiographic contrast dyes, or high doses of Biotin (Vitamin B7) can interfere with the assay, creating 'pseudo-spikes' or masking real ones. Furthermore, 'non-secretory' myeloma exists where M-proteins aren't detectable in serum, requiring specialized urine or bone marrow studies to confirm.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Clinical References

Source-of-truth databases and clinical guidelines for Myeloma Profile:

Research & Guidelines

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DR

Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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