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 92839-0: Breslow thickness (Skin melanoma) [Length]

Name: LOINC Code 92839-0: Breslow thickness (Skin melanoma) [Length]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:22.238Z

92839-0 is a LOINC code used to identify Breslow thickness (Skin melanoma) [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 Breslow thickness. It is commonly used with the system or sample type Skin melanoma.

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 Breslow thickness. It is commonly used with the system or sample type Skin melanoma.

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

Breslow thickness [Length] of Skin melanoma

Breslow thickness

The thickness of the melanoma measured from the skin surface to the deepest point of invasion, as measured perpendicular to the skin surface. [PMID5477666]

Breslow depth; Dermatologic; Epidermis; Integument; Length; Pathology; Point in time; QNT; Quan; Quant; Quantitative; Random; Skn; Thick

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

Breslow thickness (Skin melanoma) [Length]Breslow thickness [Length] of Skin melanomaBreslow thickness MelBreslow thicknessPATHBreslow thickness, Skin MelanomaLen

Frequently asked questions

Code details

Code92839-0

SystemLOINC

Display nameBreslow thickness (Skin melanoma) [Length]

DescriptionBreslow thickness

Short nameBreslow thickness Mel

ComponentBreslow thickness

PropertyLen

TimingPt

System (specimen)Skin melanoma

ScaleQn

ClassPATH

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.66

Last changed2.72

Consumer names

Breslow thickness, Skin Melanoma

Part names

Breslow thicknessLenPtSkin melanomaQnLengthPoint 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.