LOINC Code 97761-1: MLH1 gene methylation analysis Molgen Doc (Tumor)

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 MLH1 gene methylation analysis. It is commonly used with the system or sample type 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: 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

• MLH1 gene methylation analysis in Tumor by Molecular genetics method
• MLH1 gene methylation analysis
• MLH1 gene methylation analysis in tumor is an adjunct test when tumor (colon or endometrial) demonstrates microsatellite instability (MSI-H) and loss of MLH1 protein expression, to help distinguish a somatic versus germline event.
• Cancer; COCA2; DNA methylation; Document; FCC2; Finding; Findings; hMLH1; HNPCC; HNPCC2; Lynch syndrome; MGC5172; MLH1 Methyl Anl; Molecular genetics; Molecular pathology; MOLPATH; mutL homolog 1; MutL homolog 1, colon cancer, nonpolyposis type 2; PCR; Point in time; Random; 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

Frequently asked questions