What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 33652-9: CD56 cells/CD38 Cells (Bld) [# ratio]

Name: LOINC Code 33652-9: CD56 cells/CD38 Cells (Bld) [# ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

33652-9 is a LOINC code used to identify CD56 cells/CD38 Cells (Bld) [# 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.CD56/Cells.CD38. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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.CD56/Cells.CD38. 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

CD56 cells/CD38 Cells [# Ratio] in Blood
Cells.CD56/Cells.CD38
ADP-ribosyl cyclase; Blood; CD38 Cells; CD56 Cells; Cell; CELL MARKERS; Cellularity; Cyclic ADP-ribose hydrolase; Leu17; Leu-17; Leu19; Leu-19; NCAM; Neural cell adhesion molecule; NKH1; Number ratio; Point in time; QNT; Quan; Quant; Quantitative; Random; T10; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for CD56 cells/CD38 Cells (Bld) [# ratio] (33652-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

CD56 cells/CD38 Cells (Bld) [# ratio]CD56 cells/CD38 Cells [# Ratio] in BloodCD56 Cells/CD38 Cells BldCells.CD56/Cells.CD38CELLMARKCD56 cells/CD38 Cells, BloodNRto

Frequently asked questions

Code details

Code33652-9

SystemLOINC

Display nameCD56 cells/CD38 Cells (Bld) [# ratio]

DescriptionCells.CD56/Cells.CD38

Short nameCD56 Cells/CD38 Cells Bld

ComponentCells.CD56/Cells.CD38

PropertyNRto

TimingPt

System (specimen)Bld

ScaleQn

ClassCELLMARK

Example unitsratio

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.09

Last changed2.70

Consumer names

CD56 cells/CD38 Cells, Blood

Part names

Cells.CD56/Cells.CD38NRtoPtBldQnNumber RatioPoint 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.