LOINCActiveObservation

LOINC Code 17608-1: Specimen weight (48 hour Stl) [Mass/Time]

17608-1 is a LOINC code used to identify Specimen weight (48 hour Stl) [Mass/Time] 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 Specimen weight. 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 Specimen weight. 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: Observation

What it does not mean

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

Key facts

  • Weight [Mass/time] of 48 hour Stool
  • Specimen weight
  • 2 days; 2D; 48 hours; 48HR; Bowel movement; Faecal; Faeces; Fecal; Feces; Mass rate; mRate; QNT; Quan; Quant; Quantitative; Spec; Specimen wt; Stl; Stool = Fecal; Wt

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

Specimen weight (48 hour Stl) [Mass/Time]Weight [Mass/time] of 48 hour StoolSpecimen wt 48h Stl-mRateSpecimen weightSPECSpecimen weight, StoolMRat

Frequently asked questions

Code details

Code17608-1
SystemLOINC
Display nameSpecimen weight (48 hour Stl) [Mass/Time]
DescriptionSpecimen weight
Short nameSpecimen wt 48h Stl-mRate
ComponentSpecimen weight
PropertyMRat
Timing48H
System (specimen)Stool
ScaleQn
ClassSPEC
Example unitsg/48 H
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.44

Consumer names

Specimen weight, Stool

Part names

Specimen weightMRat48HStoolQnMass Rate48 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 17608-1 | HealthAssure