DNase-B Antibody

Anti-DNase B, Anti Deoxyribonuclease B, DNA Streptococcal Antibody, DNase B, Anti Hyaluronidase, Anti-Dnase B Titer, Serum

Test Codes

EPIC: LAB1232052, Beaker: DNASE B AB, Quest: 256

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hourss
Refrigerated (2-8°C or 36-46°F): 8 days
Frozen (-20°C/-4°F or below): 90 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Tuesday – Saturday.
Results available in 2-4 days.

Reference Range

<5 Years	<251 U/mL
5-17 Years	<376 U/mL
Adults (>17 Years)	<301 U/mL

Test Methodology

Nephelometry

CPT Codes

86215

Contacts

Last Updated

12/17/2025