LOINCActiveObservation

LOINC Code 33850-9: Plasma cells immature Manual cnt (BM) [#/Vol]

33850-9 is a LOINC code used to identify Plasma cells immature Manual cnt (BM) [#/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 Plasma cells.immature. It is commonly used with the system or sample type Bone mar.

Reviewed by HealthAssure Clinical TeamUpdated 25 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.immature. 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: Manual count

What it does not mean

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

Key facts

  • Plasma cells immature [#/volume] in Bone marrow by Manual count
  • Plasma cells.immature
  • #; ABS; absolute; absolutes; BM; BON; Bone marrow; Cell; Cellularity; Cnt; Count; Count/volume; CT; HEMATOLOGY/CELL COUNTS; Imm; Imm Plasma Cells; Immat; Manl; MAR; Marrow (bone); minimal angle of resolution; Minimum angle of resolution; Myeloma cells; Number concentration; Number Concentration (count/vol); Plasmacyte; Plasmacytes; 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

Plasma cells immature Manual cnt (BM) [#/Vol]Plasma cells immature [#/volume] in Bone marrow by Manual countImm Plasma Cells # Mar ManualPlasma cells.immatureHEM/BCPlasma cells immature, Bone marrowNCnc

Frequently asked questions

Code details

Code33850-9
SystemLOINC
Display namePlasma cells immature Manual cnt (BM) [#/Vol]
DescriptionPlasma cells.immature
Short nameImm Plasma Cells # Mar Manual
ComponentPlasma cells.immature
PropertyNCnc
TimingPt
System (specimen)Bone mar
ScaleQn
MethodManual count
ClassHEM/BC
Example units10*3/uL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.44

Consumer names

Plasma cells immature, Bone marrow

Part names

Plasma cells.immatureNCncPtBone marQnManual countPlasma cells immatureNumber ConcentrationPoint in time (spot)Bone marrow

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 33850-9 | HealthAssure