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.

LOINCBoth

LOINC Code 42142-0: Deprecated Breast Mammogram Guidance for percutaneous biopsy.core needle

Name: LOINC Code 42142-0: Deprecated Breast Mammogram Guidance for percutaneous biopsy.core needle
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:28.127Z

42142-0 is a LOINC code used to identify Deprecated Breast Mammogram Guidance for percutaneous biopsy.core needle 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 Guidance for percutaneous biopsy.core needle. It is commonly used with the system or sample type Breast.

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 Guidance for percutaneous biopsy.core needle. It is commonly used with the system or sample type Breast.

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: DEPRECATED
Order vs observation: Both
Method: Mam

What it does not mean

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

Key facts

Deprecated Breast Mammogram Guidance for percutaneous biopsy.core needle
Guidance for percutaneous biopsy.core needle
Bpsy; Brst; Bx; CN; CNB; Finding; Findings; Guid; Guide; Guided; Imaging; Large needle; Mammo; Mammogram; Mammograms; Mammographic; Mammography; MM; Narrative; NDL; PC Bx CN; Perc; Point in time; Rad; Radiology; Random; Report

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

Deprecated Breast Mammogram Guidance for percutaneous biopsy.core needleDeprecated Brst Mam PC Bx CN guidGuidance for percutaneous biopsy.core needleRADFindPtBreast

Frequently asked questions

Code details

Code42142-0

SystemLOINC

Display nameDeprecated Breast Mammogram Guidance for percutaneous biopsy.core needle

DescriptionGuidance for percutaneous biopsy.core needle

Short nameDeprecated Brst Mam PC Bx CN guid

ComponentGuidance for percutaneous biopsy.core needle

PropertyFind

TimingPt

System (specimen)Breast

ScaleNar

MethodMam

ClassRAD

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.16

Last changed2.36

Part names

Guidance for percutaneous biopsy.core needleFindPtBreastNarMamFindingPoint in time (spot)Mammogram

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.