LOINCActiveBoth

LOINC Code 44905-8: Malignant cells/Cells (Periton fld)

44905-8 is a LOINC code used to identify Malignant cells/Cells (Periton fld) 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/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 Malignant cells/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: Both

What it does not mean

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

Key facts

  • Malignant cells/cells in Peritoneal fluid
  • Malignant cells/Cells
  • Ascites; Ascitic fluid; Ascitis; Cell; Cellularity; HEMATOLOGY/CELL COUNTS; Malig; Number fraction; Percent; 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

Malignant cells/Cells (Periton fld)Malignant cells/cells in Peritoneal fluidMalignant cells NFr PrtMalignant cells/CellsHEM/BCMalignant cells/cells, Peritoneal fluidNFr

Frequently asked questions

Code details

Code44905-8
SystemLOINC
Display nameMalignant cells/Cells (Periton fld)
DescriptionMalignant cells/Cells
Short nameMalignant cells NFr Prt
ComponentMalignant cells/Cells
PropertyNFr
TimingPt
System (specimen)Periton fld
ScaleQn
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.79

Consumer names

Malignant cells/cells, Peritoneal fluid

Part names

Malignant cells/CellsNFrPtPeriton fldQnNumber FractionPoint 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 44905-8 | HealthAssure