Anti Streptolysin-O

Last Modified: 4/19/2022 6:50:45 AM


Medical Necessity Documentation:
Duplicate testing on this test is not acceptable per Medicare:  Testing to only be done every 365 days
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:  
Minimum Volume: 0.2 mL Serum
Transport & Storage: Temperature/Stability: 2 days Ambient
8 days Refrigerated 
6 months Frozen

Rejection Criteria: Plasma
Reference Range:

Child <12 years: < 150 IU/mL
Adult: < 200 IU/mL

Critical Ranges:  
Test Comments:  
Methodology: Immunoturbidimetric
Clinical Significance: Elevated values are consistent with an antecedent infection by group A streptococci.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 1 day
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: ASO1
EPIC Test Code: IMO41
Alternate Test Names: ASO; ASO titer
Included Tests:  
CPT Coding: 86060

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