Test Code ADNAS Anti-DNase B Titer, Serum
Specimen Required
Patient Preparation: Fasting preferred but not required
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
CMH COLLECTION: 2 mL in red gel vacutainer
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 28 days | |
Frozen | 28 days | ||
Ambient | 7 days |
Useful For
Demonstration of acute or recent streptococcal infection using anti-DNase B titer
Reject Due To
Gross hemolysis | OK |
Gross lipemia | Reject |
Gross icterus | OK |
Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysReporting Name
Anti-DNase B Titer, SReference Values
<5 years: ≤250 U/mL
5-17 years ≤375 U/mL
≥18 years: ≤300 U/mL
Method Name
Nephelometry
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
86215