LOINC Code 42634-6: 1p and 19q chromosome del Molgen Ql (Fixed tissue)

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 1p & 19q chromosome deletion. It is commonly used with the system or sample type Tiss fixed.

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

• 1p and 19q chromosome deletion [Presence] in Fixed tissue by Molecular genetics method
• 1p & 19q chromosome deletion
• 1p & 19q; 1p/19q; 1p+19q; Arbitrary; Chromosom; Chromosomes; d(1p,19q); Del; Del(1p,19q) gene deletion; Deletions; Fixed tissue; Ftis; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.DELETIONS; Oligodendroglioma; Ordinal; PCR; Point in time; QL; Qual; Qualitative; Random; Screen; 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

Frequently asked questions