Bruton tyrosine kinase [Interpretation] in B cells+monocytes by Flow cytometry (FC) Narrative 75708-8
LOINC Code
| LOINC code | 75708-8 | ||
|---|---|---|---|
| name | Bruton tyrosine kinase [Interpretation] in B cells+monocytes by Flow cytometry (FC) Narrative | ||
| description | Analysis of the Bruton tyrosine kinase (Btk) protein by flow cytometry is performed as a preliminary screen for X-linked agammaglobulinemia (XLA), primarily in male patients (<65 years of age) or female carriers (child-bearing age: <45 years). Since genotype-phenotype correlations are important, BTK gene sequencing [LOINC: 35295-5] is performed when the Btk protein is absent by flow cytometry to confirm the diagnosis of XLA. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Bruton tyrosine kinase | ||
| property | Imp = Impression/interpretation of study | ||
| 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 | B cells+monocytes | ||
| scale | Nar = Narrative: Text narrative, such as the description of a microscopic part of a surgical papule test. | ||
| method | Flow cytometry | ||
Additional Names | |||
| short name | Btk B cells+mono FC-Imp | ||
Basic Attributes | |||
| class | CELLMARK | ||
| 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 | 2.50 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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