LOINCActiveOrder

LOINC Code 34562-9: Cell count and Differential panel (Pleur fld)

34562-9 is a LOINC code used to identify Cell count and Differential panel (Pleur 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 Cell count & Differential panel. It is commonly used with the system or sample type Plr 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 Cell count & Differential panel. It is commonly used with the system or sample type Plr 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Cell count and Differential panel - Pleural fluid
  • Cell count & Differential panel
  • Cell Cnt + Diff Pnl; Diff; Diff Pnl; Differl; Differn; HEMATOLOGY/CELL COUNTS; Pan; PANEL.HEMATOLOGY& CELL COUNTS; Panl; Pleural; Pleural fluid; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; thoracentesis fluid

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

Cell count and Differential panel (Pleur fld)Cell count and Differential panel - Pleural fluidCell Cnt + Diff Pnl PlrCell count & Differential panelPANEL.HEM/BCCell count and Differential panel, Pleural fluid-

Frequently asked questions

Code details

Code34562-9
SystemLOINC
Display nameCell count and Differential panel (Pleur fld)
DescriptionCell count & Differential panel
Short nameCell Cnt + Diff Pnl Plr
ComponentCell count & Differential panel
Property-
TimingPt
System (specimen)Plr fld
ScaleQn
ClassPANEL.HEM/BC
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.10
Last changed2.73

Consumer names

Cell count and Differential panel, Pleural fluid

Part names

Cell count & Differential panel-PtPlr fldQnCell count and Differential panelPoint in time (spot)Pleural 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 34562-9 | HealthAssure