LOINCObservation

LOINC Code 44644-3: Tubule formation CAP Ql (Breast tumor)

44644-3 is a LOINC code used to identify Tubule formation 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 Tubule formation. 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 Tubule formation. 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 Tubule formation in Breast tumor by CAP cancer protocols
  • Tubule formation
  • Arbitrary; Brst; BT; Cancer; CAP prot; 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

Tubule formation CAP Ql (Breast tumor)Deprecated Tubule formation in Breast tumor by CAP cancer protocolsDeprecated Tubule formation BT CAP protTubule formationPATH.PROTOCOLS.BRSTTubule Formation, Breast TumorArb

Frequently asked questions

Code details

Code44644-3
SystemLOINC
Display nameTubule formation CAP Ql (Breast tumor)
DescriptionTubule formation
Short nameDeprecated Tubule formation BT CAP prot
ComponentTubule formation
PropertyArb
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

Tubule Formation, Breast Tumor

Part names

Tubule formationArbPtBreast tumorOrdCAP cancer protocolsArbitraryPoint 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.