LOINCActiveBoth

LOINC Code 73975-5: CD158a cells/Cells (Specimen)

73975-5 is a LOINC code used to identify CD158a 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.CD158a/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.CD158a/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: Both

What it does not mean

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

Key facts

  • CD158a cells/cells in Specimen
  • Cells.CD158a/Cells
  • CD158a cells; Cell; CELL MARKERS; Cellularity; Killer cell Immunoglobulin-like Recptor; KIR family; KIR2DL1; Misc; Miscellaneous; Number fraction; Other; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; 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

CD158a cells/Cells (Specimen)CD158a cells/cells in SpecimenCD158a cells NFr SpecCells.CD158a/CellsCELLMARKCD158a cells/cells, SpecimenNFr

Frequently asked questions

Code details

Code73975-5
SystemLOINC
Display nameCD158a cells/Cells (Specimen)
DescriptionCells.CD158a/Cells
Short nameCD158a cells NFr Spec
ComponentCells.CD158a/Cells
PropertyNFr
TimingPt
System (specimen)XXX
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.79

Consumer names

CD158a cells/cells, Specimen

Part names

Cells.CD158a/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 73975-5 | HealthAssure