LOINCActiveObservation

LOINC Code 51328-3: CD42b cells/Cells (Body fld)

51328-3 is a LOINC code used to identify CD42b cells/Cells (Body 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 Cells.CD42b/Cells. It is commonly used with the system or sample type Body 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 Cells.CD42b/Cells. It is commonly used with the system or sample type Body 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

What it does not mean

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

Key facts

  • CD42b cells/cells in Body fluid
  • Cells.CD42b/Cells
  • B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; CD42b Cells; Cell; CELL MARKERS; Cellularity; Fl; Fld; FLU; Fluid; Glycocalicin; GPIba; GPIbalpha; Number fraction; Percent; Point in time; 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

CD42b cells/Cells (Body fld)CD42b cells/cells in Body fluidCD42b Cells NFr FldCells.CD42b/CellsCELLMARKCD42b cells/cells, Body fluidNFr

Frequently asked questions

Code details

Code51328-3
SystemLOINC
Display nameCD42b cells/Cells (Body fld)
DescriptionCells.CD42b/Cells
Short nameCD42b Cells NFr Fld
ComponentCells.CD42b/Cells
PropertyNFr
TimingPt
System (specimen)Body fld
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.79

Consumer names

CD42b cells/cells, Body fluid

Part names

Cells.CD42b/CellsNFrPtBody fldQnNumber FractionPoint in time (spot)Body 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 51328-3 | HealthAssure