LOINC Code 81249-5: Default genomic reference sequence coding system Nom

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 Default genomic reference sequence coding system. It is commonly used with the system or sample type ^Patient.

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: TRIAL
• Order vs observation: Observation

What it does not mean

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

Key facts

• Default genomic reference sequence coding system [Type]
• Default genomic reference sequence coding system
• The coding system that is the source for the genomic reference sequence, such as NCBI or Ensembl.
• Default gen ref seq code system; Genetic; Genetics; Molecular pathology; MOLPATH; Nominal; Point in time; Random; Ref Sequence; RefSeq; Typ

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