Zika virus neutralizing antibody [Presence] in Cerebral spinal fluid by Neutralization test 80821-2
LOINC Code
| LOINC code | 80821-2 | ||
|---|---|---|---|
| name | Zika virus neutralizing antibody [Presence] in Cerebral spinal fluid by Neutralization test | ||
| description | Qualitative result for Zika virus neutralizing antibodies in CSF. Serological cross-reactivity is strong between Zika and other flaviviruses, especially Dengue virus. Therefore, positive EIA or IF assays for Zika virus IgM antibodies are presumptive only and should be confirmed by a neutralization assay, such as the plaque-reduction neutralization test (PRNT), which can discriminate between Zika virus and cross-reacting antibodies in primary flavivirus infections. Recent Zika virus infection is confirmed by stable high neutralizing antibody titers, seroconversion, or a 4x or greater increases in neutralizing antibody titer in a patient's appropriately timed acute and convalescent phase specimens. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Zika virus Ab.Neut | ||
| 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 | CSF = Cerebral spinal fluid | ||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||
| method | Neut = Neutralization | ||
Additional Names | |||
| short name | ZIKV NAb CSF Ql Nt | ||
Basic Attributes | |||
| class | MICRO | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
Member of these Groups | |||
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History/Usage | |||
| first released | |||
| last updated | 2.65 | ||
| last change type | MIN - change to field other than name | ||
| change reason | Updated Answer list type from NORMATIVE to EXAMPLE because the Answers included in the list (Positive, Negative, Equivocal) are only examples of possible answers and not an exclusive list | ||
Related Names | |||
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