LOINC Code
| LOINC code | 6556-5 |
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| name | |
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| status | DEPRECATED |
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| Replacements | alternatives to this code: |
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Fully-Specified Name |
| component | Streptococcus pyogenes Ag |
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| property | Pr = Present: For results simply based on whether the analyte is present or not without being determined by a cut off value. |
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| 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. |
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| system | Thrt = Throat |
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| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. |
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| method | EIA |
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Additional Names |
| short name | Antigen; Antigens; ELFA; ELISA; Enzyme immunoassay; GAS; Group A Strep; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; QL; Qual; Qualitative; Random; S pyogenes; Screen; Steptococcus Group A; Strep; Strept; Str |
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Basic Attributes |
| class | MICRO |
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| type | 1 Laboratory |
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| order vs. observation | Deprecated S py |
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Member of these Groups |
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Member of these Panels |
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History/Usage |
| first released | |
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| last updated | 2.54 |
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| last change type | DEL - delete (deprecate) |
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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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