LOINCActiveObservation

LOINC Code 93623-7: Main pulmonary artery Diastolic flow reversal by US.doppler

93623-7 is a LOINC code used to identify Main pulmonary artery Diastolic 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.diastolic. It is commonly used with the system or sample type Pulmonary artery.main.

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.diastolic. It is commonly used with the system or sample type Pulmonary artery.main.

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

  • Main pulmonary artery Diastolic flow reversal by US.doppler
  • Blood flow reversal.diastolic
  • Art; Bld flow; CARD.US; Cardiology; Dia flow reversal; Dias; Diast; Diastoli; DOP; DUPLEX; Dynamic; Echography; Finding; Findings; MPA; Ordinal; PA; 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

Main pulmonary artery Diastolic flow reversal by US.dopplerMPA Dia flow reversal DOPBlood flow reversal.diastolicCARD.USFindPtPulmonary artery.main

Frequently asked questions

Code details

Code93623-7
SystemLOINC
Display nameMain pulmonary artery Diastolic flow reversal by US.doppler
DescriptionBlood flow reversal.diastolic
Short nameMPA Dia flow reversal DOP
ComponentBlood flow reversal.diastolic
PropertyFind
TimingPt
System (specimen)Pulmonary artery.main
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.diastolicFindPtPulmonary artery.mainOrdUS.dopplerDiastolic flow reversalFindingPoint in time (spot)Pulmonary artery mainUltrasound.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.