LOINCActiveObservation

LOINC Code 32756-9: CD3+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells (Bronch spec) [# ratio]

32756-9 is a LOINC code used to identify CD3+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells (Bronch spec) [# ratio] 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+CD4+/Cells.CD3+CD8+. It is commonly used with the system or sample type Bronchial.

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+CD4+/Cells.CD3+CD8+. It is commonly used with the system or sample type Bronchial.

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+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells [# Ratio] in Bronchial specimen
  • Cells.CD3+CD4+/Cells.CD3+CD8+
  • Bro; CD3 Cells; CD3+CD4+ Cells; CD3+CD8+ Cells; CD3+CD8+ Cll; CD3-CD4+; CD4+ T cells; CD8 T cells; Cell; CELL MARKERS; Cellularity; Helper T cells; Inducer T cells; L3T4; Leu2; Leu-2; Leu3; Leu-3; Leu4; Leu-4; Lung; Number ratio; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; Suppressor T cells; Suppressor/cytotoxic T cells; T3; T4; T-4; T4 helper/inducer cells; T8; T-8; T8 suppressor cells; Tsuppressor; W3/25

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+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells (Bronch spec) [# ratio]CD3+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells [# Ratio] in Bronchial specimenCD3+CD4+ Cells/CD3+CD8+ Cll BronchCells.CD3+CD4+/Cells.CD3+CD8+CELLMARKCD3+CD4+ (T4 Helper) Cells/CD3+CD8+ (T8 Suppressor Cells) Cells, Bronchial specimenNRto

Frequently asked questions

Code details

Code32756-9
SystemLOINC
Display nameCD3+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells (Bronch spec) [# ratio]
DescriptionCells.CD3+CD4+/Cells.CD3+CD8+
Short nameCD3+CD4+ Cells/CD3+CD8+ Cll Bronch
ComponentCells.CD3+CD4+/Cells.CD3+CD8+
PropertyNRto
TimingPt
System (specimen)Bronchial
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.79

Consumer names

CD3+CD4+ (T4 Helper) Cells/CD3+CD8+ (T8 Suppressor Cells) Cells, Bronchial specimen

Part names

Cells.CD3+CD4+/Cells.CD3+CD8+NRtoPtBronchialQnNumber RatioPoint 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.