LOINC Code 77016-4: RhD antigen MS.MALDI-TOF Nom (cfDNA)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Fetal RhD antigen. It is commonly used with the system or sample type Plas.cfDNA.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: MS.MALDI-TOF

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Fetal RhD antigen in Plasma cell-free DNA by MS.MALDI-TOF
• Fetal RhD antigen
• This term was created for, but is not limited in use to, Sequenom Laboratories' SensiGene Fetal RhD genotyping test, which analyzes circulating cell-free DNA extracted from maternal plasma to determine the fetal RHD genotype using matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry.
• Ag; Identity or presence; Molecular pathology; MOLPATH; Nominal; Pl; Plasma; Plsm; Point in time; Random

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions