Table 2.

Spectrum of Clonal Plasma Cell Disorders

	MGUS	Asymptomatic Myeloma	Symptomatic Myeloma	AL Amyloidosis
How common is it?∗	+++++++	+++++	+++	+
Typical clonal plasma cell percentage	<10%	10%-60%	>10%	Any
Typical concentration of paraprotein on SPIE/UPIE/serum FLC	Low	Moderate	High	Any
Treatment required?	No	No	Yes	Yes

MGUS = monoclonal gammopathy of undetermined significance; other abbreviations as in Table 1.

^∗More + refers to being more common.