What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCObservation

LOINC Code 79100-4: Deprecated Spine CT densitometry WO contrast

Name: LOINC Code 79100-4: Deprecated Spine CT densitometry WO contrast
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:00.208Z

79100-4 is a LOINC code used to identify Deprecated Spine CT densitometry WO contrast 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 contrast. It is commonly used with the system or sample type Spine.

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 contrast. It is commonly used with the system or sample type Spine.

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: DEPRECATED
Order vs observation: Observation
Method: CT.densitometry

What it does not mean

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

Key facts

Deprecated Spine CT densitometry WO contrast
Multisection^WO contrast
c; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; CorePlaybook; CT scan; Document; Finding; Findings; Imaging; Playbook; Point in time; Rad; Radiology; Random; Spinal; Spinal Cord; without contrast

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

Deprecated Spine CT densitometry WO contrastDeprecated Spine CT.Dens WO contrMultisection^WO contrastRADFindPtSpine

Frequently asked questions

Code details

Code79100-4

SystemLOINC

Display nameDeprecated Spine CT densitometry WO contrast

DescriptionMultisection^WO contrast

Short nameDeprecated Spine CT.Dens WO contr

ComponentMultisection^WO contrast

PropertyFind

TimingPt

System (specimen)Spine

ScaleDoc

MethodCT.densitometry

ClassRAD

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.58

Part names

Multisection^WO contrastFindPtSpineDocCT.densitometryFindingPoint in time (spot)Computed tomography densitometry

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.