LOINC

LOINC Code 11540-2: Deprecated CT Abdomen study

11540-2 is a LOINC code used to identify Deprecated CT Abdomen study 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 Study.total. It is commonly used with the system or sample type Abdomen.

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 Study.total. It is commonly used with the system or sample type Abdomen.

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
  • Method: CT

What it does not mean

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

Key facts

  • Deprecated CT Abdomen study
  • Study.total
  • Abd; Abdo; Abdomen+; Abdominal; ATTACH; ATTACH.CLINRPT; CAT scan; Computed tomography; Computerized tomography; CT scan; Document; Finding; Findings; Point in time; Random; Study report; Tot; Totl

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 CT Abdomen studyDeprecatedStudy.totalATTACH.CLINRPTFindPtAbdomen

Frequently asked questions

Code details

Code11540-2
SystemLOINC
Display nameDeprecated CT Abdomen study
DescriptionStudy.total
Short nameDeprecated
ComponentStudy.total
PropertyFind
TimingPt
System (specimen)Abdomen
ScaleDoc
MethodCT
ClassATTACH.CLINRPT
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.40

Part names

Study.totalFindPtAbdomenDocCTFindingPoint in time (spot)Computed tomography

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 11540-2 | HealthAssure