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Test ID: CTDC
Connective Tissue Diseases Cascade, Serum

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

83631

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

ANTINUCLEAR ANTIBODIES (ANA)

< or =1.0 U (negative)

1.1-2.9 U (weakly positive)

3.0-5.9 U (positive)

> or =6.0 U (strongly positive)

Reference values apply to all ages.

 

CYCLIC CITRULLINATED PEPTIDE ANTIBODIES, IgG

<20.0 U (negative)

20.0-39.9 U (weak positive)

40.0-59.9 U (positive)

> or =60.0 U (strong positive) 

Reference values apply to all ages.


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