Table 1.

Ig Levels.

Value	Result, g/dL	Reference Range, g/dL
IgA	21	20–320
IgA subclasses
IgA1	16	60–294
IgA2	2	6–61
IgM	25	50–300
IgE	<2	0–150
IgD	<1.34	<14.11
IgG	1636	600–1540
IgG subclasses
IgG1	80	382–929
IgG2	<2	241–700
IgG3	>220	22–178
IgG4	0.80	4–86

Abbreviation: Ig, immunoglobulin.