LOINCActiveObservation

LOINC Code 48584-7: NM Exhaled gas Gastric emptying time post 100 mg sodium octanoate PO

48584-7 is a LOINC code used to identify NM Exhaled gas Gastric emptying time post 100 mg sodium octanoate PO 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 Gastric emptying time^post 100 mg sodium octanoate PO. It is commonly used with the system or sample type Exhl gas.

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 Gastric emptying time^post 100 mg sodium octanoate PO. It is commonly used with the system or sample type Exhl gas.

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: NM

What it does not mean

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

Key facts

NM Exhaled gas Gastric emptying time post 100 mg sodium octanoate PO
Gastric emptying time^post 100 mg sodium octanoate PO
13C-sodium octanoate taken orally pases through the stomach. In the small intestine it is metabolized quickly to 13CO2 which is excreted in exhaled air. The rate of excretion is used to calculate the gastric emptying rate.
After; Breath; C80; Caprylic acid; Capryloate; Empty; ExG; Exhaled gas; Exhaled gas (=breath); Gases; GE; GE time; Imaging; Na; Na+; Octanoic acid; p 100mg Na octanoate PO; Point in time; PST; QNT; Quan; Quant; Quantitative; Rad; RADIOLOGY; Random

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

NM Exhaled gas Gastric emptying time post 100 mg sodium octanoate PONM ExG GE time p 100mg Na octanoate POGastric emptying time^post 100 mg sodium octanoate PORADTimePtExhl gas

Frequently asked questions

Code details

Code48584-7
SystemLOINC
Display nameNM Exhaled gas Gastric emptying time post 100 mg sodium octanoate PO
DescriptionGastric emptying time^post 100 mg sodium octanoate PO
Short nameNM ExG GE time p 100mg Na octanoate PO
ComponentGastric emptying time^post 100 mg sodium octanoate PO
PropertyTime
TimingPt
System (specimen)Exhl gas
ScaleQn
MethodNM
ClassRAD
Example unitsmin;h
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.61

Part names

Gastric emptying time^post 100 mg sodium octanoate POTimePtExhl gasQnNMTime (e.g. seconds)Point in time (spot)Exhaled gas

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.