LOINCActiveObservation

LOINC Code 33192-6: Uterus Volume derived from length, width and thickness (US)

33192-6 is a LOINC code used to identify Uterus Volume derived from length, width and thickness (US) 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 Volume. It is commonly used with the system or sample type Uterus.

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 Volume. It is commonly used with the system or sample type Uterus.

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.derived.LWT

What it does not mean

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

Key facts

  • Uterus Volume derived from length, width and thickness (US)
  • Volume
  • Estimated from the three basic dimensions (length, width, and thickness) using the prolate ellipsoid formula, where volume= length x width x thickness x p / 6
  • der US; Echography; from LWT; Gyn; Gynecology; Length Width Thickness; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Uterine; Vol; Volume

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

Uterus Volume derived from length, width and thickness (US)Uterus Volume from LWTVolumeOB.USVolPtUterus

Frequently asked questions

Code details

Code33192-6
SystemLOINC
Display nameUterus Volume derived from length, width and thickness (US)
DescriptionVolume
Short nameUterus Volume from LWT
ComponentVolume
PropertyVol
TimingPt
System (specimen)Uterus
ScaleQn
MethodUS.derived.LWT
ClassOB.US
Example unitscm3
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.70

Part names

VolumeVolPtUterusQnUS.derived.LWTPoint in time (spot)Ultrasound.derived.LWT

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 33192-6 | HealthAssure