LOINCActiveObservation

LOINC Code 32519-1: CD3-CD16+CD56+ (Natural killer) cells/Cells (Specimen)

32519-1 is a LOINC code used to identify CD3-CD16+CD56+ (Natural killer) cells/Cells (Specimen) 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.CD3-CD16+CD56+/Cells. It is commonly used with the system or sample type XXX.

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.CD3-CD16+CD56+/Cells. It is commonly used with the system or sample type XXX.

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

  • CD3-CD16+CD56+ (Natural killer) cells/cells in Specimen
  • Cells.CD3-CD16+CD56+/Cells
  • CD3 Cells; CD3+CD16+ Cells; CD3+CD16+CD56+ Cells; CD3-CD16+ Cells; CD3-CD16+CD56+ Cells; Cell; CELL MARKERS; Cellularity; FCGR3A; Leu11; Leu-11; Leu11b; Leu-11B; Leu19; Leu-19; Leu4; Leu-4; Misc; Miscellaneous; Natural killer cells; NCAM; Neural cell adhesion molecule; NKH1; Number fraction; Other; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; T3; To be specified in another part of the message; Unspecified

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

CD3-CD16+CD56+ (Natural killer) cells/Cells (Specimen)CD3-CD16+CD56+ (Natural killer) cells/cells in SpecimenCD3-CD16+CD56+ Cells NFr SpecCells.CD3-CD16+CD56+/CellsCELLMARKCD3-CD16+CD56+ (Natural Killer) Cells/cells, SpecimenNFr

Frequently asked questions

Code details

Code32519-1
SystemLOINC
Display nameCD3-CD16+CD56+ (Natural killer) cells/Cells (Specimen)
DescriptionCells.CD3-CD16+CD56+/Cells
Short nameCD3-CD16+CD56+ Cells NFr Spec
ComponentCells.CD3-CD16+CD56+/Cells
PropertyNFr
TimingPt
System (specimen)XXX
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.08
Last changed2.79

Consumer names

CD3-CD16+CD56+ (Natural Killer) Cells/cells, Specimen

Part names

Cells.CD3-CD16+CD56+/CellsNFrPtXXXQnNumber FractionPoint in time (spot)

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 32519-1 | HealthAssure