Last Modified:
6/8/2023 6:45:04 AM
Medicare Medical Necessity Restrictions May Apply
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:
Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.
Specimen Requirements:
1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:
Submission of minimum specimen requirements may be insufficient if confirmatory testing
Minimum Volume:
0.2 mL Serum
Transport & Storage: Temperature/Stability:
14 days Refrigerated
24 hours unspun
Reference Range:
Negative
Critical Ranges:
Test Comments:
Equivocal and weakly reactive HBsAg results will be confirmed by neutralization and charged accordingly.
Patients taking vitamin supplements containing doses of >5 mg/day may have falsely decreased test results generated.
Methodology:
Chemiluminescence
Clinical Significance:
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Stat Eligible:
Yes
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Parkview Regional Medical Center
PHL Test Code:
HBSAG
EPIC Test Code:
IMO18
Alternate Test Names:
HBsAg; Hep B Surface Ag; Hep B Surface Antigen; Hepatitis B Surface Antigen
Included Tests:
CPT Coding:
87340 (Reflex 87341)
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