LOINCActiveBoth

LOINC Code 14050-9: Epidermal growth factor receptor (Tiss) [Moles/Mass]

14050-9 is a LOINC code used to identify Epidermal growth factor receptor (Tiss) [Moles/Mass] 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 Epidermal growth factor receptor. It is commonly used with the system or sample type Tiss.

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 Epidermal growth factor receptor. It is commonly used with the system or sample type Tiss.

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: Both

What it does not mean

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

Key facts

  • Epidermal growth factor receptor [Moles/mass] in Tissue
  • Epidermal growth factor receptor
  • EGF; EGFR; Fac; Fact; HER1; Pathology; Point in time; QNT; Quan; Quant; Quantitative; Random; Rec; Recept; Receptors; Recp; Recptr; Substance content; Tissue; Tissue, unspecified

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

Epidermal growth factor receptor (Tiss) [Moles/Mass]Epidermal growth factor receptor [Moles/mass] in TissueEGFR Tiss-sCntEpidermal growth factor receptorPATHEpidermal growth factor receptor, TissueSCnt

Frequently asked questions

Code details

Code14050-9
SystemLOINC
Display nameEpidermal growth factor receptor (Tiss) [Moles/Mass]
DescriptionEpidermal growth factor receptor
Short nameEGFR Tiss-sCnt
ComponentEpidermal growth factor receptor
PropertySCnt
TimingPt
System (specimen)Tiss
ScaleQn
ClassPATH
Example unitsfmol/mg protein
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.70

Consumer names

Epidermal growth factor receptor, Tissue

Part names

Epidermal growth factor receptorSCntPtTissQnSubstance ContentPoint in time (spot)Tissue and Smears

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.

LOINC Code 14050-9 | HealthAssure