LOINCActiveObservation

LOINC Code 74296-5: 3-Methylcrotonyl-CoA carboxylase deficiency (DBS) [Interp]

74296-5 is a LOINC code used to identify 3-Methylcrotonyl-CoA carboxylase deficiency (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 3-Methylcrotonyl-CoA carboxylase deficiency. 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 3-Methylcrotonyl-CoA carboxylase deficiency. 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

  • 3-Methylcrotonyl-CoA carboxylase deficiency newborn screen interpretation
  • 3-Methylcrotonyl-CoA carboxylase deficiency
  • This observation indicates whether the newborn screen was in-range or out-of-range for the analytes related to 3-Methylcrotonyl-CoA carboxylase (3-MCC).
  • 3-MCC; 3-MCC deficiency; 3-Methyl-crotonyl-CoA carboxylase; Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; III; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; MCCC1; MCCC2; 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

3-Methylcrotonyl-CoA carboxylase deficiency (DBS) [Interp]3-Methylcrotonyl-CoA carboxylase deficiency newborn screen interpretation3-MCC deficiency DBS-Imp3-Methylcrotonyl-CoA carboxylase deficiencyCHEM3-Methylcrotonyl-CoA carboxylase deficiency, Dried blood spotImp

Frequently asked questions

Code details

Code74296-5
SystemLOINC
Display name3-Methylcrotonyl-CoA carboxylase deficiency (DBS) [Interp]
Description3-Methylcrotonyl-CoA carboxylase deficiency
Short name3-MCC deficiency DBS-Imp
Component3-Methylcrotonyl-CoA carboxylase deficiency
PropertyImp
TimingPt
System (specimen)Bld.dot
ScaleNom
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.46

Consumer names

3-Methylcrotonyl-CoA carboxylase deficiency, Dried blood spot

Part names

3-Methylcrotonyl-CoA carboxylase deficiencyImpPtBld.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.