ANCA Screen with Reflex to ANCA Titer

If ANCA Screen is positive, C-ANCA titer (CPT code: 86021) and/or P-ANCA titer (CPT code: 86021), and/or atypical P-ANCA titer (CPT code: 86021) will be performed at an additional charge.

Test Code
ANCAS

Quest Code
70171X

CPT Codes
86021

Preferred Specimen
1 mL serum

Transport Temperature
Preferred: room temperature: stable 7 days
Refrigerated: stable 14 days
Frozen: stable 30 days

Methodology
Immunoassay

Reference Range
<1:20

Clinical Use
Testing for anti-neutrophil cytoplasmic antibodies (P-ANCA and/or C-ANCA) has been found to be useful in establishing the diagnosis of suspected vascular diseases, inflammatory bowel disease, as well as other autoimmune diseases.

Performed By
Quest Diagnostics Nichols Institute