LOINCActiveBoth

LOINC Code 36781-3: MRA Abdominal veins

36781-3 is a LOINC code used to identify MRA Abdominal veins 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 Multisection. It is commonly used with the system or sample type Abdomen>Abdominal veins.

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 Multisection. It is commonly used with the system or sample type Abdomen>Abdominal veins.

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: MR.angio

What it does not mean

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

Key facts

  • MRA Abdominal veins
  • Multisection
  • Abd; Abd vv; Abdo; Abdomen; Abdomen+; Abdominal; Ang; Angio; Angiography; Cardio; Cardiology; Document; Finding; Findings; Heart Disease; Imaging; Magnetic Resonance Angiographies; Magnetic resonance imaging; Mitral regurgitation maximum velocity; MR angiography; MRA; MRI; MRI.angio; MRV; Point in time; Rad; Radiology; Random

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

MRA Abdominal veinsMRA Abd vvMultisectionRADFindPtAbdomen>Abdominal veins

Frequently asked questions

Code details

Code36781-3
SystemLOINC
Display nameMRA Abdominal veins
DescriptionMultisection
Short nameMRA Abd vv
ComponentMultisection
PropertyFind
TimingPt
System (specimen)Abdomen>Abdominal veins
ScaleDoc
MethodMR.angio
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.14
Last changed2.61

Part names

MultisectionFindPtAbdomen>Abdominal veinsDocMR.angioAbdomenAngioMRAbdominal veinsFindingPoint in time (spot)MR angiogram

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 36781-3 | HealthAssure