LOINCActiveObservation

LOINC Code 70043-5: Mononuclear cells Auto (Pleur fld) [#/Vol]

70043-5 is a LOINC code used to identify Mononuclear cells Auto (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 Mononuclear 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 Mononuclear 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: Observation
  • Method: Automated count

What it does not mean

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

Key facts

  • Mononuclear cells [#/volume] in Pleural fluid by Automated count
  • Mononuclear cells
  • #; ABS; absolute; absolutes; Auto; Automated detection; Cell; Cellularity; Cnt; Count; Count/volume; CT; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Mononuc; Mononuc Cells; 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

Mononuclear cells Auto (Pleur fld) [#/Vol]Mononuclear cells [#/volume] in Pleural fluid by Automated countMononuc Cells # Plr AutoMononuclear cellsHEM/BCMononuclear cells, Pleural fluidNCnc

Frequently asked questions

Code details

Code70043-5
SystemLOINC
Display nameMononuclear cells Auto (Pleur fld) [#/Vol]
DescriptionMononuclear cells
Short nameMononuc Cells # Plr Auto
ComponentMononuclear cells
PropertyNCnc
TimingPt
System (specimen)Plr fld
ScaleQn
MethodAutomated count
ClassHEM/BC
Example units10*6/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.70

Consumer names

Mononuclear cells, Pleural fluid

Part names

Mononuclear cellsNCncPtPlr fldQnAutomated countNumber 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 70043-5 | HealthAssure