LOINCActiveObservation

LOINC Code 58350-0: Plasma cells immature/Cells (Bld)

58350-0 is a LOINC code used to identify Plasma cells immature/Cells (Bld) 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/Cells. It is commonly used with the system or sample type Bld.

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.immature/Cells. It is commonly used with the system or sample type Bld.

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

  • Plasma cells immature/cells in Blood
  • Plasma cells.immature/Cells
  • Blood; Cell; Cellularity; HEMATOLOGY/CELL COUNTS; Imm; Imm Plasma Cells; Immat; Immature cells; Myeloma cells; Number fraction; Percent; Plasmacyte; Plasmacytes; Point in time; QNT; Quan; Quant; Quantitative; Random; WB; Whole blood

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/Cells (Bld)Plasma cells immature/cells in BloodImm Plasma Cells NFr BldPlasma cells.immature/CellsHEM/BCPlasma cells immature/cells, BloodNFr

Frequently asked questions

Code details

Code58350-0
SystemLOINC
Display namePlasma cells immature/Cells (Bld)
DescriptionPlasma cells.immature/Cells
Short nameImm Plasma Cells NFr Bld
ComponentPlasma cells.immature/Cells
PropertyNFr
TimingPt
System (specimen)Bld
ScaleQn
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.30
Last changed2.79

Consumer names

Plasma cells immature/cells, Blood

Part names

Plasma cells.immature/CellsNFrPtBldQnNumber FractionPoint in time (spot)Blood

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 58350-0 | HealthAssure