Reference Values

Only orderable as a reflex. For more information see RAIFA / Antinuclear Antibodies, HEp-2 Substrate, IgG, with Reflex, Serum.

DOUBLE-STRANDED DNA (dsDNA) ANTIBODIES, IGG, SERUM

<100 IU/mL (negative)

≥100 IU/mL (positive)

Negative is considered normal.

Reference values apply to all ages.

RNP ANTIBODIES, IGG, SERUM

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

SCL 70 ANTIBODIES, IGG, SERUM

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

SMITH (Sm) ANTIBODIES, IGG, SERUM

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

SS-A/RO ANTIBODIES, IGG, SERUM

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

SS-B/LA ANTIBODIES, IGG, SERUM

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.