LOINCActiveObservation

LOINC Code 99519-1: Volume (Gallbladder)

99519-1 is a LOINC code used to identify Volume (Gallbladder) 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 Gallbladder.

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 Gallbladder.

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

What it does not mean

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

Key facts

  • Volume of Gallbladder
  • Volume
  • Gall bladder; GB; PATHOLOGY; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Volume (Gallbladder)Volume of GallbladderVolume GBVolumePATHVolume, GallbladderVol

Frequently asked questions

Code details

Code99519-1
SystemLOINC
Display nameVolume (Gallbladder)
DescriptionVolume
Short nameVolume GB
ComponentVolume
PropertyVol
TimingPt
System (specimen)Gallbladder
ScaleQn
ClassPATH
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

Volume, Gallbladder

Part names

VolumeVolPtGallbladderQnPoint in time (spot)

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 99519-1 | HealthAssure