LOINCObservation

LOINC Code 46781-1: Malonic acidemia (DBS) [Interp]

46781-1 is a LOINC code used to identify Malonic acidemia (DBS) [Interp] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Malonic acidemia. It is commonly used with the system or sample type Bld.dot.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Malonic acidemia. 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: DISCOURAGED
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Malonic acidemia newborn screen interpretation
  • Malonic acidemia
  • Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; MAL; Nominal; Point in time; Random; 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

Malonic acidemia (DBS) [Interp]Malonic acidemia newborn screen interpretationMAL DBS-ImpMalonic acidemiaCHEMMalonic acidemia, Dried blood spotImp

Frequently asked questions

Code details

Code46781-1
SystemLOINC
Display nameMalonic acidemia (DBS) [Interp]
DescriptionMalonic acidemia
Short nameMAL DBS-Imp
ComponentMalonic acidemia
PropertyImp
TimingPt
System (specimen)Bld.dot
ScaleNom
ClassCHEM
StatusDISCOURAGED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.44

Consumer names

Malonic acidemia, Dried blood spot

Part names

Malonic acidemiaImpPtBld.dotNomImpression/interpretation of studyPoint in time (spot)DBS

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 46781-1 | HealthAssure