LOINCActiveBoth

LOINC Code 77357-2: Nitrogen (24H Stl) [Moles/Mass]

77357-2 is a LOINC code used to identify Nitrogen (24H Stl) [Moles/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 Nitrogen. It is commonly used with the system or sample type Stool.

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 Nitrogen. It is commonly used with the system or sample type Stool.

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

  • Nitrogen [Moles/mass] in 24 hour Stool
  • Nitrogen
  • During protein catabolism, nitrogen is excreted in the feces. When protein catabolism is increased after stress (eg, physical trauma, surgery, infections, burns), nitrogen levels in feces increase.
  • 1 day; 24 hours; 24HR; Bowel movement; Chemistry; Faecal; Faeces; Fecal; Feces; N; N2; Nit; QNT; Quan; Quant; Quantitative; Stl; Stool = Fecal; Substance Content

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

Nitrogen (24H Stl) [Moles/Mass]Nitrogen [Moles/mass] in 24 hour StoolN2 24h Stl-sCntNitrogenCHEMNitrogen, StoolSCnt

Frequently asked questions

Code details

Code77357-2
SystemLOINC
Display nameNitrogen (24H Stl) [Moles/Mass]
DescriptionNitrogen
Short nameN2 24h Stl-sCnt
ComponentNitrogen
PropertySCnt
Timing24H
System (specimen)Stool
ScaleQn
ClassCHEM
Example unitsmmol/kg
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.52

Consumer names

Nitrogen, Stool

Part names

NitrogenSCnt24HStoolQnSubstance Content24 hours

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 77357-2 | HealthAssure