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 33737-8: Distance of tumor from closest margin (Spec) [Length]

Name: LOINC Code 33737-8: Distance of tumor from closest margin (Spec) [Length]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:21.184Z

33737-8 is a LOINC code used to identify Distance of tumor from closest margin (Spec) [Length] 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 Distance of tumor from closest margin. 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 Distance of tumor from closest margin. 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

Distance of tumor from closest margin
Length; Pathology; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS general; Point in time; QNT; Quan; Quant; Quantitative; 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

Distance of tumor from closest margin (Spec) [Length]Distance of tumor from closest marginTumor from Closest MarginPATH.PROTOCOLS.GENERDistance of tumor from closest margin, SpecimenLenPt

Frequently asked questions

Code details

Code33737-8

SystemLOINC

Display nameDistance of tumor from closest margin (Spec) [Length]

DescriptionDistance of tumor from closest margin

Short nameTumor from Closest Margin

ComponentDistance of tumor from closest margin

PropertyLen

TimingPt

System (specimen)Specimen

ScaleQn

ClassPATH.PROTOCOLS.GENER

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.09

Last changed2.70

Consumer names

Distance of tumor from closest margin, Specimen

Part names

Distance of tumor from closest marginLenPtSpecimenQnLengthPoint 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.