What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 93629-4: Aorta abdominal Holodiastolic flow reversal by US.doppler

Name: LOINC Code 93629-4: Aorta abdominal Holodiastolic flow reversal by US.doppler
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:23.053Z

93629-4 is a LOINC code used to identify Aorta abdominal Holodiastolic flow reversal by US.doppler 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 Blood flow reversal.holodiastolic. It is commonly used with the system or sample type Aorta.abdominal.

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 Blood flow reversal.holodiastolic. It is commonly used with the system or sample type Aorta.abdominal.

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
Method: US.doppler

What it does not mean

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

Key facts

Aorta abdominal Holodiastolic flow reversal by US.doppler
Blood flow reversal.holodiastolic
Ab Ao; Abd; Abdo; Abdomen; AO; Aortic; Bld flow; CARD.US; Cardiology; DOP; DUPLEX; Dynamic; Echography; Finding; Findings; Holodias flow reversal; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

Aorta abdominal Holodiastolic flow reversal by US.dopplerAb Ao Holodias flow reversal DOPBlood flow reversal.holodiastolicCARD.USFindPtAorta.abdominal

Frequently asked questions

Code details

Code93629-4

SystemLOINC

Display nameAorta abdominal Holodiastolic flow reversal by US.doppler

DescriptionBlood flow reversal.holodiastolic

Short nameAb Ao Holodias flow reversal DOP

ComponentBlood flow reversal.holodiastolic

PropertyFind

TimingPt

System (specimen)Aorta.abdominal

ScaleOrd

MethodUS.doppler

ClassCARD.US

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.67

Part names

Blood flow reversal.holodiastolicFindPtAorta.abdominalOrdUS.dopplerHolodiastolic flow reversalFindingPoint in time (spot)Aorta abdominalUltrasound.doppler

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.