LOINCActiveObservation

LOINC Code 15303-1: Prostate Length by US

15303-1 is a LOINC code used to identify Prostate Length by 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 Length. It is commonly used with the system or sample type Prostate.

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 Length. It is commonly used with the system or sample type Prostate.

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.measured

What it does not mean

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

Key facts

  • Prostate Length by US
  • Length
  • Measured in mm; length = longest axis of normal organ
  • Echography; Genitourinary; GU; Len; Length; Point in time; Prost; Prostatic; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; URO; UROLOGIC.ULTRASOUND; Urology; US+Meas

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

Prostate Length by USLength Prostate US.measLengthUS.UROLenPtProstate

Frequently asked questions

Code details

Code15303-1
SystemLOINC
Display nameProstate Length by US
DescriptionLength
Short nameLength Prostate US.meas
ComponentLength
PropertyLen
TimingPt
System (specimen)Prostate
ScaleQn
MethodUS.measured
ClassUS.URO
Example unitscm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.48

Part names

LengthLenPtProstateQnUS.measuredPoint in time (spot)Ultrasound.measured

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 15303-1 | HealthAssure