LOINCActiveBoth

LOINC Code 46314-1: CT Internal auditory canal WO and W reduced contrast volume IV

46314-1 is a LOINC code used to identify CT Internal auditory canal WO and W reduced contrast volume IV 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 Multisection^WO & W reduced contrast volume IV. It is commonly used with the system or sample type Head>Internal auditory canal.

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 Multisection^WO & W reduced contrast volume IV. It is commonly used with the system or sample type Head>Internal auditory canal.

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: Both
  • Method: CT

What it does not mean

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

Key facts

  • CT Internal auditory canal WO and W reduced contrast volume IV
  • Multisection^WO & W reduced contrast volume IV
  • Brain; c; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; Cranial; Cranium; CT scan; Document; Ear Canal; Finding; Findings; IAC; IAM; Imaging; Internal Auditory Meatus; Internal Ear Canal; Intracranial; Point in time; Rad; RADIOLOGY; Random; Skull; Vol; W red contr vol IV; WO & WC; WO+W red contr vol IV; WWO

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

CT Internal auditory canal WO and W reduced contrast volume IVCT IAC WO+W red contr vol IVMultisection^WO & W reduced contrast volume IVRADFindPtHead>Internal auditory canal

Frequently asked questions

Code details

Code46314-1
SystemLOINC
Display nameCT Internal auditory canal WO and W reduced contrast volume IV
DescriptionMultisection^WO & W reduced contrast volume IV
Short nameCT IAC WO+W red contr vol IV
ComponentMultisection^WO & W reduced contrast volume IV
PropertyFind
TimingPt
System (specimen)Head>Internal auditory canal
ScaleDoc
MethodCT
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.61

Part names

Multisection^WO & W reduced contrast volume IVFindPtHead>Internal auditory canalDocCTTrueUnspecifiedHeadIVReduced contrast volumeWO & WInternal auditory canalFindingPoint in time (spot)Computed tomographyIntravenous

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.