LOINC Code 100861-4: Cells.CD4+CD154+ /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+CD154+/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+CD154+/CD4 cells in Blood --after stimulation with SARS-CoV-2 Nucleocapsid peptide
• Cells.CD4+CD154+/Cells.CD4^after stimulation with SARS-CoV-2 Nucleocapsid peptide
• Blood; CD4 Cells; CD4+154 cells; CD40 ligand; CD40L; Cell; Cellularity; gp39; 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; T-BAM; TRAP; Tumor necrosis factor Related Activation Protein; W3/25; WB; Whole blood; X-linked hyper IgM

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