Smoldering Myeloma

Smoldering Myeloma is indexed under Oncologic-Adjacent Chronic, Plasma Cell Disorders. Also known as SMM, asymptomatic myeloma.

US prevalence

~60,000 living with SMM Source: IMF; Blood journal. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

D47.Z

Typical onset

Median age ~65

Course

managed

Body systems

hematologic

Sex differences

Follows myeloma demographics

Racial and ethnic differences

Higher in Black Americans (follows MGUS/myeloma pattern)

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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