LOINC Code 46089-9: WBC 3rd tube (CSF) [#/Vol]

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 Leukocytes^3rd tube. It is commonly used with the system or sample type CSF.

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

What it does not mean

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

Key facts

• Leukocytes [#/volume] in Cerebral spinal fluid --3rd tube
• Leukocytes^3rd tube
• Normally less than 5 cells are present in the adult. A significant increase in white blood cells in the CSF is seen with infection or inflammation of the central nervous system.
• #; ABS; absolute; absolutes; Cerebral spinal fluid; Cerebrospinal Fl; Cnt; Count; Count/volume; CT; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Neuro; Neurology; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; tube3; WBC; WBCs; White blood cell; White blood cells

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