65633-0
LOINC Code
| LOINC code | 65633-0 | ||||
|---|---|---|---|---|---|
| name | |||||
| description | All of the major laboratories whose web sites we explored perform a confirmatory test to verify positive results on their routine HBS Ag EIA test. Some indicate that the confirmatory test requires and an extra charge, some do not. We believe that at present (2011) the confirmatory test is usually a neutralization test. But only one lab that we reviewed specified the method as such. This term covers all confirmatory methods and will not require changing if/when confirmatory methods change. | ||||
| status | ACTIVE | ||||
Fully-Specified Name | |||||
| component | Hepatitis B virus surface Ag B = Buccal | ||||
| property | PrThr = Present or threshold: The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold. | ||||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||
| system | Ser/Plas Ser = Serum Plas = Plasma | ||||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||||
| method | Confirm | ||||
Additional Names | |||||
| short name | Antigen; Antigens; Australia antigen; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; GCMS; HBs; HBsAG; HBV; HBV surface; Hep; Hep B; Hep Bs; Hepatis; Hepatit; Hepatology; HepB; ID; Infectious Disease; InfectiousDisease; LC/MS/MS; Liver; Microbiology; | ||||
Basic Attributes | |||||
| class | MICRO | ||||
| type | 1 Laboratory | ||||
| order vs. observation | HBV surface Ag | ||||
Member of these Groups | |||||
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Member of these Panels | |||||
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History/Usage | |||||
| first released | |||||
| last updated | 2.73 | ||||
| last change type | MIN - change to field other than name | ||||
Related Names | |||||
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Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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