LOINC Code 21665-5: EGFR gene targeted mutation analysis Molgen Nom (Bld/Tiss)

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 EGFR gene targeted mutation analysis. It is commonly used with the system or sample type Bld/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
• Method: Molgen

What it does not mean

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

Key facts

• EGFR gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
• EGFR gene targeted mutation analysis
• Blood; epidermal growth factor receptor; Epidermal growth factor receptor gene; ERBB; ERBB1; Genetics; HER1; Heredity; Heritable; Identity or presence; Inherited; mENA; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Mut; Mut Anl; Mutations; NISBD2; Nominal; Oncogene ERBB; Oncology; PCR; PIG61; Point in time; Random; Tissue; Tissue, unspecified; UniversalLabOrders; V-ERB-B avian erythroblastic leukemia viral oncogene homolog; WB; Whole blood; Whole blood or Tissue

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

Frequently asked questions