LOINCActiveBoth

LOINC Code 44889-4: Malignant cells (Pleur fld) [#/Vol]

44889-4 is a LOINC code used to identify Malignant cells (Pleur fld) [#/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Malignant cells. It is commonly used with the system or sample type Plr fld.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Malignant cells. It is commonly used with the system or sample type Plr fld.

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

  • Malignant cells [#/volume] in Pleural fluid
  • Malignant cells
  • #; ABS; absolute; absolutes; Cell; Cellularity; Cnt; Count; Count/volume; CT; HEMATOLOGY/CELL COUNTS; Malig; Number concentration; Number Concentration (count/vol); Pleural; Pleural fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; thoracentesis fluid

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

Malignant cells (Pleur fld) [#/Vol]Malignant cells [#/volume] in Pleural fluidMalignant cells # PlrMalignant cellsHEM/BCMalignant cells, Pleural fluidNCnc

Frequently asked questions

Code details

Code44889-4
SystemLOINC
Display nameMalignant cells (Pleur fld) [#/Vol]
DescriptionMalignant cells
Short nameMalignant cells # Plr
ComponentMalignant cells
PropertyNCnc
TimingPt
System (specimen)Plr fld
ScaleQn
ClassHEM/BC
Example units10*3/uL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.44

Consumer names

Malignant cells, Pleural fluid

Part names

Malignant cellsNCncPtPlr fldQnNumber ConcentrationPoint in time (spot)Pleural fluid

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 44889-4 | HealthAssure