LOINC Code 97597-9: CD19 cells/Lymphocytes FC (Lower resp)

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.CD19/Lymphocytes. It is commonly used with the system or sample type Respiratory system specimen.lower.

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: Observation
• Method: Flow cytometry

What it does not mean

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

Key facts

• CD19 cells/Lymphocytes in Lower respiratory specimen by Flow cytometry (FC)
• Cells.CD19/Lymphocytes
• B cells expressing CD19 as a percent of total lymphocytes; B4; B-4; Breathing; CD19 Cells; Cell; CELL MARKERS; Cellularity; Dynamic; FC; HD-37; Leu12; Leu-12; Low; Lower resp; Lung; Lungs; Lymp; Lymph; Lympho; Lymphocyte; Lymphs; Lymphs%; Number fraction; Percent; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; RS; Spec

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