LOINCActiveObservation

LOINC Code 12022-0: Uterine artery - right Resistivity index US.doppler

12022-0 is a LOINC code used to identify Uterine artery - right Resistivity index 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 Resistivity index. It is commonly used with the system or sample type Uterine artery.right.

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 Resistivity index. It is commonly used with the system or sample type Uterine artery.right.

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

  • Uterine artery - right Resistivity index US.doppler
  • Resistivity index
  • Art; Cardio; Cardiology; DOP; DUPLEX; Echography; Gyn; Gynecology; Heart Disease; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; R; Random; RI; RT; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Uterine a-R; Velocity ratio

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

Uterine artery - right Resistivity index US.dopplerUterine a-R RI DOPResistivity indexOB.USVelRtoPtUterine artery.right

Frequently asked questions

Code details

Code12022-0
SystemLOINC
Display nameUterine artery - right Resistivity index US.doppler
DescriptionResistivity index
Short nameUterine a-R RI DOP
ComponentResistivity index
PropertyVelRto
TimingPt
System (specimen)Uterine artery.right
ScaleQn
MethodUS.doppler
ClassOB.US
Example unitsindex
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.48

Part names

Resistivity indexVelRtoPtUterine artery.rightQnUS.dopplerVelocity RatioPoint in time (spot)Uterine artery RightUltrasound.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.