LOINC Code 100863-0: Cells.CD4.Tumor necrosis factor alfa-expressing/CD4 cells after stimulation with SARS-CoV-2 Nucleocapsid peptide (Bld)

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 Cells.CD4.Tumor necrosis factor alfa-expressing/Cells.CD4^after stimulation with SARS-CoV-2 Nucleocapsid peptide. It is commonly used with the system or sample type Bld.

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: TRIAL
• Order vs observation: Both

What it does not mean

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

Key facts

• Cells.CD4.Tumor necrosis factor alfa-expressing/CD4 cells in Blood --after stimulation with SARS-CoV-2 Nucleocapsid peptide
• Cells.CD4.Tumor necrosis factor alfa-expressing/Cells.CD4^after stimulation with SARS-CoV-2 Nucleocapsid peptide
• Blood; CD4 Cells; CD4 TNFa cells; CD4+TNFa+/CD4; Cell; Cellularity; Fac; Fact; Helper T cells; ID; II; Inducer T cells; Infectious Disease; InfectiousDisease; L3T4; Leu3; Leu-3; Microbiology; Number Fraction; p COVID NuclCap; Pept; Percent; PH; Point in time; Public Health; PublicHealth; QNT; Quan; Quant; Quantitative; Random; Severe Acute Respiratory Syndrome; Stim; T4; T-4; TNF; W3/25; WB; Whole blood

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