Test Overview

Test Methodology


Test Usage

Demonstration of acute or recent streptococcal infection.

Reference Range*

age <5 yr: < or = 250 U/Ml; age 5-17 yr: < or = 375 U/Ml; age >=18 yr: < or = 300 U/Ml.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

False-high titers may be obtained with sera that are contaminated by certain bacterial organisms during shipment or storage and in patients with liver disease where the presence of high lipoprotein concentrations in the serum may mimic antibody activity.

Test Details

Days Test Performed

Monday - Saturday

Analytic Time

2 - 4 days

Soft Order Code




DNase B Antibody
Anti-DNase B

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Laboratory Reference


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Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.


Yellow Top Tube

Normal Volume

1 mL serum

Minimum Volume

0.5 mL serum

Additional Information

Test sent to Mayo Medical Laboratories.

Billing Information

Fee Codes

CPT Code


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