LOINCActiveObservation

LOINC Code 33759-2: Deepest extent of invasion Ql (Spec)

33759-2 is a LOINC code used to identify Deepest extent of invasion Ql (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 Extent of invasion deepest. 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 Extent of invasion deepest. 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

What it does not mean

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

Key facts

  • Deepest extent of invasion [Type] in Specimen
  • Extent of invasion deepest
  • Deepest extent of inv; Ordinal; PATH.HISTO; PATHOLOGY; Point in time; QL; Qual; Qualitative; Random; Screen; Spec; Typ

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

Deepest extent of invasion Ql (Spec)Deepest extent of invasion [Type] in SpecimenDeepest extent of inv Spec QlExtent of invasion deepestPATH.HISTODeepest extent of invasion, SpecimenType

Frequently asked questions

Code details

Code33759-2
SystemLOINC
Display nameDeepest extent of invasion Ql (Spec)
DescriptionExtent of invasion deepest
Short nameDeepest extent of inv Spec Ql
ComponentExtent of invasion deepest
PropertyType
TimingPt
System (specimen)Specimen
ScaleOrd
ClassPATH.HISTO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.61

Consumer names

Deepest extent of invasion, Specimen

Part names

Extent of invasion deepestTypePtSpecimenOrdDeepest extent of invasionPoint 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 33759-2 | HealthAssure