LOINCActiveObservation

LOINC Code 29341-5: CD11b cells (Bld) [#/Vol]

29341-5 is a LOINC code used to identify CD11b cells (Bld) [#/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 Cells.CD11b. 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 Cells.CD11b. 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

  • CD11b cells [#/volume] in Blood
  • Cells.CD11b
  • #; ABS; absolute; absolutes; AlphaM integrin chain; AlphaM-beta2; Blood; C3biR; CD11b Cells; Cell; CELL MARKERS; Cellularity; Cnt; Count; Count/volume; CR3; CT; Leu15; Leu-15; Mac-1; Mo1; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; R3; 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

CD11b cells (Bld) [#/Vol]CD11b cells [#/volume] in BloodCD11b Cells # BldCells.CD11bCELLMARKCD11b cells, BloodNCnc

Frequently asked questions

Code details

Code29341-5
SystemLOINC
Display nameCD11b cells (Bld) [#/Vol]
DescriptionCells.CD11b
Short nameCD11b Cells # Bld
ComponentCells.CD11b
PropertyNCnc
TimingPt
System (specimen)Bld
ScaleQn
ClassCELLMARK
Example units10*6/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.70

Consumer names

CD11b cells, Blood

Part names

Cells.CD11bNCncPtBldQnCD11b cellsNumber ConcentrationPoint 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 29341-5 | HealthAssure