LOINCActiveObservation

LOINC Code 52818-2: Nucleated cells Auto (Periton fld) [#/Vol]

52818-2 is a LOINC code used to identify Nucleated cells Auto (Periton 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 Nucleated cells. It is commonly used with the system or sample type Periton 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 Nucleated cells. It is commonly used with the system or sample type Periton 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

  • Nucleated cells [#/volume] in Peritoneal fluid by Automated count
  • Nucleated cells
  • #; ABS; absolute; absolutes; Ascites; Ascitic fluid; Ascitis; Auto; Automated detection; Cell; Cellularity; Cnt; Count; Count/volume; CT; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Nuc; Nuc cell; Number concentration; Number Concentration (count/vol); Peritoneal fluid; Point in time; Prt; QNT; Quan; Quant; Quantitative; Random

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

Nucleated cells Auto (Periton fld) [#/Vol]Nucleated cells [#/volume] in Peritoneal fluid by Automated countNuc cell # Prt AutoNucleated cellsHEM/BCNucleated cells, Peritoneal fluidNCnc

Frequently asked questions

Code details

Code52818-2
SystemLOINC
Display nameNucleated cells Auto (Periton fld) [#/Vol]
DescriptionNucleated cells
Short nameNuc cell # Prt Auto
ComponentNucleated cells
PropertyNCnc
TimingPt
System (specimen)Periton fld
ScaleQn
MethodAutomated count
ClassHEM/BC
Example unitscells/uL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.70

Consumer names

Nucleated cells, Peritoneal fluid

Part names

Nucleated cellsNCncPtPeriton fldQnAutomated countNumber ConcentrationPoint in time (spot)Peritoneal 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 52818-2 | HealthAssure