LOINCActiveObservation

LOINC Code 15312-2: Testis - left Volume by derived.from ROT (US)

15312-2 is a LOINC code used to identify Testis - left Volume by derived.from ROT (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 Testis.left.

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 Testis.left.

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.ROT

What it does not mean

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

Key facts

  • Testis - left Volume by derived.from ROT (US)
  • Volume
  • der US; Echography; Genitourinary; GU; L; LT; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Testis-L; ULS; Ultrasound; URO; UROLOGIC.ULTRASOUND; Urology; 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

Testis - left Volume by derived.from ROT (US)Volume Testis-L US.derived.ROTVolumeUS.UROVolPtTestis.left

Frequently asked questions

Code details

Code15312-2
SystemLOINC
Display nameTestis - left Volume by derived.from ROT (US)
DescriptionVolume
Short nameVolume Testis-L US.derived.ROT
ComponentVolume
PropertyVol
TimingPt
System (specimen)Testis.left
ScaleQn
MethodUS.derived.ROT
ClassUS.URO
Example unitscm3
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

VolumeVolPtTestis.leftQnUS.derived.ROTPoint in time (spot)Testis LeftUltrasound.derived.ROT

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 15312-2 | HealthAssure