Anti-Neutrophil Cytoplasmic Antibodies (ANCA) IFA and MPO/PR3 Antibodies

Specimen:

Collect

  • One SST

Submit

  • 2 mL (Min:1 mL) Serum in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling

  • Allow specimen to clot completely at room temperature
  • Avoid Repeated Freeze/Thaw Cycles
  • Separate from cells ASAP

Rejection Criteria

  • Grossly Hemolyzed Samples
  • Grossly Lipemic Samples
  • Heat inactivated
  • Microbial Contamination
  • Particulate matter

Stability

See Individual Components

Methodology

  • See Individual Components

Performed

Monday, Wednesday, Thursday

Reported

1-4 Day(s)

CPT Codes

  • 86036
  • 83516x2

Interpretive Data

Please see report for interpretive data.

MYELOPEROXIDASE
Negative: <3.5
Equivocal: 3.5-5.0
Positive: >5.0

PROTEINASE 3
Negative: <2.0
Equivocal: 2.0-3.0
Positive: >3.0

In the case of equivocal results, it is recommended to retest the patient after 8-12 weeks.

The ANCA test was performed using Indirect Immunofluorescent Assay (IFA).

Components

  • 2873 - ANCA IFA TITER
  • 2874 - ANCA IFA PATTERN
  • 2888 - MYELOPEROXIDASE
  • 2889 - PROTEINASE
Last Updated: June 30, 2025 @ 5:18 pm

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