Giardia sp [Presence] in Water by Immunofluorescence 97522-7
LOINC Code
| LOINC code | 97522-7 | ||
|---|---|---|---|
| name | Giardia sp [Presence] in Water by Immunofluorescence | ||
| description | Giardia oocysts and cysts are identified in water through immunofluorescence, where they are characterized by size, shape, and fluorescence and then counted. The US Environmental Protection Agency has published guidelines for processing a water sample for testing (https://www.epa.gov/sites/production/files/2015-07/documents/epa-1623.pdf). This process starts with filtering a water sample to remove solids, then elutes the material and centrifuges the elute to pellet the oocysts and cysts. These are then removed from other materials in the sample and stained with fluorescent antibodies for analysis. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Giardia sp | ||
| 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 | Water | ||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||
| method | IF = Immune Fluorescence: Encompasses DFA, IFA, FA. Usually applies to cells and smears examined microscopically so that both the “where” and the “what” can be assessed, but can also be used on fluids in a way similar to ELISA. Does not include Cell binding assays (see CBA IFA above). | ||
Additional Names | |||
| short name | Giardia Wat Ql IF | ||
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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.70 | ||
| last change type | ADD - added | ||
Related Names | |||
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