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.

LOINCObservation

LOINC Code 44666-6: M stage of distant metastasis CAP Ql (Breast tumor)

Name: LOINC Code 44666-6: M stage of distant metastasis CAP Ql (Breast tumor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:30.173Z

44666-6 is a LOINC code used to identify M stage of distant metastasis CAP Ql (Breast tumor) 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 M stage of distant metastasis. It is commonly used with the system or sample type Breast tumor.

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 M stage of distant metastasis. It is commonly used with the system or sample type Breast tumor.

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: Observation
Method: CAP cancer protocols

What it does not mean

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

Key facts

Deprecated M stage of distant metastasis in Breast tumor Qualitative by CAP cancer protocols
M stage of distant metastasis
Brst; BT; Cancer; CAP prot; Finding; Findings; M stage of distant mets; Metastases; Mets; Ordinal; PATHOLOGY; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS BREAST; Point in time; QL; Qual; Qualitative; Random; Screen; tumors; tumour; tumours

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

M stage of distant metastasis CAP Ql (Breast tumor)Deprecated M stage of distant metastasis in Breast tumor Qualitative by CAP cancer protocolsDeprecated M stage of distant mets BT CAM stage of distant metastasisPATH.PROTOCOLS.BRSTM Stage of Distant Metastasis, Breast TumorFind

Frequently asked questions

Code details

Code44666-6

SystemLOINC

Display nameM stage of distant metastasis CAP Ql (Breast tumor)

DescriptionM stage of distant metastasis

Short nameDeprecated M stage of distant mets BT CA

ComponentM stage of distant metastasis

PropertyFind

TimingPt

System (specimen)Breast tumor

ScaleOrd

MethodCAP cancer protocols

ClassPATH.PROTOCOLS.BRST

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.61

Consumer names

M Stage of Distant Metastasis, Breast Tumor

Part names

M stage of distant metastasisFindPtBreast tumorOrdCAP cancer protocolsFindingPoint 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.