LOINC Code 79301-8: D- and L-2-hydroxyglutarate pattern Nar (DBS) [Interp]

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 D- & L-2-hydroxyglutarate pattern. It is commonly used with the system or sample type Bld.dot.

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: Observation

What it does not mean

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

Key facts

• D- and L-2-hydroxyglutarate pattern newborn screen interpretation
• D- & L-2-hydroxyglutarate pattern
• Narrative interpretation of results for D-2-hydroxyglutarate (D-2-HG) and L-2-hydroxyglutarate (L-2-HG) in a dried blood spot (DBS), including whether the results are consistent with D-2-hydroxyglutaric aciduria, L-2-hydroxyglutaric aciduria or D,L-2-hydroxyglutaric aciduria.
• 2-hydroxy-glutarate; 2-hydroxyglutaric acid; 2OH-gluterate; alpha-Hydroxyglutarate; alpha-Hydroxyglutaric acid; Blood; Chemistry; D2HG + L2HG pattern; DBS; Dextro; Dried blood spot; Filter paper; FP; Hydroxyglutaric aciduria; II; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; L2HG; L-2-HG; L2HGA; L-2-HGA; Left; Levo; Narrative; Point in time; Random; Report; WB; Whole blood

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