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Methodology
Antistreptolysin-O by Latex AgglutinationPerforming Laboratory
Heart of the Rockies Regional Medical CenterSpecimen Requirements
Specimen Type: SerumContainer/Tube: Yellow top or red top
Specimen Volume: 1 mL
Specimen Transport Temperature
Ambient/RefrigeratedReference Values
Preschool age Children=less than 100 IU/mLSchool age Children and young adult=166-250 IU/mL
Negative:
1:1=200 IU/mL
1:2=400 IU/mL
1:4=800 IU/mL
1:8=1600 IU/mL
1:16=3200 IU/mL
1:32=6400 IU/mL