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Streptococcal serology (including anti-streptolysin ‘O’ and anti-streptodornase B)

General information

Collection container (including preservatives): 6mL clotted blood tube

Specimen type: Venous Blood

Collection: 6mL blood tube

Specimen transport: Ambient temperature via porter, courier, Royal Mail or DX compliant with IATA packing instruction 650

Minimum volume of sample: 2 mL blood tube

Special precautions: Single or paired sera, collected 7 days apart

Laboratory information

Measurement units: ASD U/mL


Biological reference units: Not applicable

Turn round time for provisional result (working days): 5 days

Turn round time to final result (working days): 7 days

Clinical information

Clinical decision points: Not applicable

Factors known to significantly affect the results: Haemolysis


(Last reviewed October 24th 2017)