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 33739-4: Lymphatic.small vessel.invasion CAP Nom (Spec)

Name: LOINC Code 33739-4: Lymphatic.small vessel.invasion CAP Nom (Spec)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:21.184Z

33739-4 is a LOINC code used to identify Lymphatic.small vessel.invasion CAP Nom (Spec) 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 Lymphatic.small vessel.invasion. It is commonly used with the system or sample type Specimen.

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 Lymphatic.small vessel.invasion. It is commonly used with the system or sample type Specimen.

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
Method: CAP cancer protocols

What it does not mean

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

Key facts

Lymphatic.small vessel.invasion [Identifier] in Specimen by CAP cancer protocols
Lymphatic.small vessel.invasion
CAP prot; Identity or presence; Lymph.small VI; Nominal; PATH.HISTO; PATHOLOGY; Point in time; Random; Spec

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

Lymphatic.small vessel.invasion CAP Nom (Spec)Lymphatic.small vessel.invasion [Identifier] in Specimen by CAP cancer protocolsLymph.small VI Spec CAP protLymphatic.small vessel.invasionPATH.HISTOLymphatic.small vessel.invasion, SpecimenPrid

Frequently asked questions

Code details

Code33739-4

SystemLOINC

Display nameLymphatic.small vessel.invasion CAP Nom (Spec)

DescriptionLymphatic.small vessel.invasion

Short nameLymph.small VI Spec CAP prot

ComponentLymphatic.small vessel.invasion

PropertyPrid

TimingPt

System (specimen)Specimen

ScaleNom

MethodCAP cancer protocols

ClassPATH.HISTO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.09

Last changed2.61

Consumer names

Lymphatic.small vessel.invasion, Specimen

Part names

Lymphatic.small vessel.invasionPridPtSpecimenNomCAP cancer protocolsPresence or IdentityPoint 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.