LOINCActiveObservation

LOINC Code 57460-8: Activated T cells lymphocytes/Lymphocytes.small (BAL)

57460-8 is a LOINC code used to identify Activated T cells lymphocytes/Lymphocytes.small (BAL) 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 Lymphocytes.activated T cells/Lymphocytes.small. It is commonly used with the system or sample type BAL.

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 Lymphocytes.activated T cells/Lymphocytes.small. It is commonly used with the system or sample type BAL.

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

  • Activated T cells lymphocytes/Lymphocytes.small in Bronchoalveolar lavage
  • Lymphocytes.activated T cells/Lymphocytes.small
  • Activ; Activ T Lymphs; Bronchial alveolar lavage; Bronchoalveolar lavage; Cell; CELL MARKERS; Cellularity; Lung; Lymp; Lymph; Lympho; Lymphocyte; Lymphs; Lymphs%; Number fraction; Percent; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; T prime

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

Activated T cells lymphocytes/Lymphocytes.small (BAL)Activated T cells lymphocytes/Lymphocytes.small in Bronchoalveolar lavageActiv T Lymphs NFr BALLymphocytes.activated T cells/Lymphocytes.smallCELLMARKActivated T Cells Lymphocytes/Lymphocytes.small, Bronchoalveolar lavage specimenNFr

Frequently asked questions

Code details

Code57460-8
SystemLOINC
Display nameActivated T cells lymphocytes/Lymphocytes.small (BAL)
DescriptionLymphocytes.activated T cells/Lymphocytes.small
Short nameActiv T Lymphs NFr BAL
ComponentLymphocytes.activated T cells/Lymphocytes.small
PropertyNFr
TimingPt
System (specimen)BAL
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.79

Consumer names

Activated T Cells Lymphocytes/Lymphocytes.small, Bronchoalveolar lavage specimen

Part names

Lymphocytes.activated T cells/Lymphocytes.smallNFrPtBALQnNumber FractionPoint in time (spot)Bronchoalveolar lavage

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 57460-8 | HealthAssure