85505-6
Presumptive Rh [Type] in Saliva (oral fluid) by Molecular genetics method
Active
Term Description
The presumptive (predicted) Rh factor for the D antigen (Rh positive or Rh negative) based on genetic analysis of the RHD gene. Hematopoietic stem cell transplant donor registries often collect samples from potential donors using buccal swabs or saliva (both described as "saliva" in the LOINC term) as part of enrolling them in the registry. Because these samples do not contain fresh intact red blood cells (RBCs) and traditional serological RhD blood group typing cannot be done, molecular typing is performed as part of the screening process to find an appropriate hematopoietic stem cell donor. Prior to transfusion or transplantation, the presumptive Rh factor result based on molecular typing must be confirmed using traditional serologic typing. This term was created for, but not limited in use to, the submitter's lab that performs sequence analysis of select exons in the RHD gene and predicts the RhD phenotype from the resulting DNA sequence.
Source: Regenstrief LOINC
Part Description
LP7565-7 Saliva
Saliva is produced primarily by the parotid, submaxillary, and sublingual glands. It is secreted at the rate of 0-3 milliliters per minute which is affected by various factors including anxiety, hydration and hunger. Oral fluid is broadly used to test for drugs of abuse in employment and forensic settings, and is especially useful since it is difficult to adulterate, is quick and is non-invasive. Oral fluid is used to test a variety of analytes, including to test alcohol, HIV and other antibodies, therapeutic drugs and steroids, but its primary use is to test for drugs of abuse including amphetamines, cocaine and metabolites, opioids, methadone, cannabis and heroin. PMID: 17268583
Source: Regenstrief LOINC
Fully-Specified Name
- Component
- Rh.presumptive
- Property
- Type
- Time
- Pt
- System
- Saliva
- Scale
- Nom
- Method
- Molgen
Additional Names
- Short Name
- Rh.presumptive Sal by Molgen
- Display Name
- Presumptive Rh Molgen Nom (Sal)
- Consumer Name Alpha Get Info
- Presumptive rh, Saliva
Example Answer List: LL4424-9
Source: Association of Public Health Laboratories| Answer | Code | Score | Answer ID |
|---|---|---|---|
| Rh+ | LA27326-0 | ||
| Rh- | LA27325-2 |
Basic Attributes
- Class
- BLDBK
- Type
- Laboratory
- First Released
- Version 2.61
- Last Updated
- Version 2.61
- Order vs. Observation
- Both
Language Variants Get Info
| Tag | Language | Translation |
|---|---|---|
| es-ES | Spanish (Spain) | Rh.Presunto: |
| es-MX | Spanish (Mexico) | Rh presuntivo: |
| fr-FR | French (France) | RH attendu: |
| it-IT | Italian (Italy) | Rh.presunto: Synonyms: Banca del sangue Genetica molecolare Punto nel tempo (episodio) Rh presunto |
| nl-NL | Dutch (Netherlands) | Rh.vermoedelijk: Synonyms: molgen |
| pl-PL | Polish (Poland) | RH, badanie wstępne: |
| zh-CN | Chinese (China) | Rh.推断的: Synonyms: D 分型; |
LOINC Terminology Service (API) using HL7® FHIR® Get Info
Requests to this service require a free LOINC username and password. Below is a sample of the possible capabilities. See the LOINC Terminology Service documentation for more information.
- CodeSystem lookup
- https:
//fhir.loinc.org/CodeSystem/$lookup?system=http: //loinc.org&code=85505-6
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