53767-0
LOINC Code
| LOINC code | 53767-0 | |
|---|---|---|
| name | ||
| description | HLA-ABC sequence based typing results in HLA allele assignment for each HLA locus(A,B,C). HLA antigens are the major histocompatibility antigens. HLA Class 1 Sequence-Based typing (HLA-SBT) is used to identify HLA allelic polymorphisms at the level of individual nucleotides using genomic DNA amplified by polymerase chain reaction(PCR). If fewer than two alleles are reported for a locus, the patient can most likely be considered homozygous for that locus, but there is a possibility of an undetected rare allele. HLA-SBT should be used in addition to HLA Class 1 serology and/or low to intermediate resolution molecular typing using either SSP(sequence-specific primers) or SSOPH(sequence-specific oligonucleotide blot hydridization) technology. For clinical purposes, this test should be used as a reflex test to identify unrelated bone marrow donors who are HLA A,B, and C genotypic matches with the intended recipient. | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | HLA-A+B+C SBT B = Buccal | |
| 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 | Bld/Tiss Bld = Whole blood Tiss = Tissue, unspecified | |
| scale | Nom = Nominal: Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody. | |
| method | High resolution | |
Additional Names | ||
| short name | A,B; Blood; Genetics; Heredity; Heritable; HLA ANTIGEN; HLA class I; Human Leukocyte Antigen; Impression; Impression/interpretation of study; Impressions; Inherited; Interp; Interpretation; Nominal; Point in time; Random; Sequence based typing; Tissue; Ti | |
Basic Attributes | ||
| class | HLA | |
| type | 1 Laboratory | |
| order vs. observation | HLA-A+B+C SBT H | |
History/Usage | ||
| first released | ||
| last updated | 2.73 | |
| last change type | MIN - change to field other than name | |
Related Names | ||
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