LOINCActiveBoth

LOINC Code 20939-5: Phosphide (Gastrointestinal content) [Mass/Mass]

20939-5 is a LOINC code used to identify Phosphide (Gastrointestinal content) [Mass/Mass] 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 Phosphide. It is commonly used with the system or sample type GI cnt.

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 Phosphide. It is commonly used with the system or sample type GI cnt.

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

What it does not mean

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

Key facts

  • Phosphide [Mass/mass] in Gastrointestinal content
  • Phosphide
  • DRUG/TOXICOLOGY; Drugs; Gicnt; Mass Content; Point in time; QNT; Quan; Quant; Quantitative; 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

Phosphide (Gastrointestinal content) [Mass/Mass]Phosphide [Mass/mass] in Gastrointestinal contentPhosphide GiCnt-mCntPhosphideDRUG/TOXPhosphide, Gastrointestinal ContentMCnt

Frequently asked questions

Code details

Code20939-5
SystemLOINC
Display namePhosphide (Gastrointestinal content) [Mass/Mass]
DescriptionPhosphide
Short namePhosphide GiCnt-mCnt
ComponentPhosphide
PropertyMCnt
TimingPt
System (specimen)GI cnt
ScaleQn
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.21

Consumer names

Phosphide, Gastrointestinal Content

Part names

PhosphideMCntPtGI cntQnMass ContentPoint in time (spot)Gastrointestinal content

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 20939-5 | HealthAssure