LOINCActiveObservation

LOINC Code 93020-6: Polyclonal plasma cells/Total plasma cells FC (BM)

93020-6 is a LOINC code used to identify Polyclonal plasma cells/Total plasma cells FC (BM) 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 Plasma cells.polyclonal/Plasma cells.total. It is commonly used with the system or sample type Bone mar.

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 Plasma cells.polyclonal/Plasma cells.total. It is commonly used with the system or sample type Bone mar.

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: Flow cytometry

What it does not mean

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

Key facts

Polyclonal plasma cells/Total plasma cells in Bone marrow by Flow cytometry (FC)
Plasma cells.polyclonal/Plasma cells.total
The percent of normal (polyclonal) plasma cells in the patient's bone marrow, calculated as number of normal plasma cells [LOINC93018-0] divided by the total number of plasma cells [LOINC: 93019-8].
BM; BON; Bone marrow; Cell; Cellularity; Dynamic; FC; HEMATOLOGY/CELL COUNTS; MAR; Marrow (bone); minimal angle of resolution; Minimum angle of resolution; Myeloma cells; Number fraction; Percent; Plasmacyte; Plasmacytes; Point in time; Polyclonal PCs; QNT; Quan; Quant; Quantitative; Random; Tot; Total PCs; Totl

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

Polyclonal plasma cells/Total plasma cells FC (BM)Polyclonal plasma cells/Total plasma cells in Bone marrow by Flow cytometry (FC)Polyclonal PCs/Total PCs NFr Mar FCPlasma cells.polyclonal/Plasma cells.totalHEM/BCPolyclonal plasma cells/Total Plasma Cells, Bone marrowNFr

Frequently asked questions

Code details

Code93020-6
SystemLOINC
Display namePolyclonal plasma cells/Total plasma cells FC (BM)
DescriptionPlasma cells.polyclonal/Plasma cells.total
Short namePolyclonal PCs/Total PCs NFr Mar FC
ComponentPlasma cells.polyclonal/Plasma cells.total
PropertyNFr
TimingPt
System (specimen)Bone mar
ScaleQn
MethodFlow cytometry
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.66
Last changed2.66

Consumer names

Polyclonal plasma cells/Total Plasma Cells, Bone marrow

Part names

Plasma cells.polyclonal/Plasma cells.totalNFrPtBone marQnFlow cytometryPolyclonal plasma cells/Plasma cells.totalNumber FractionPoint in time (spot)Bone marrowFlow cytometry (FC)

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 93020-6 | HealthAssure