LOINCActiveBoth

LOINC Code 26879-7: T3 (Sal) [Mass/Vol]

26879-7 is a LOINC code used to identify T3 (Sal) [Mass/Vol] 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 Triiodothyronine. It is commonly used with the system or sample type Saliva.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Triiodothyronine. It is commonly used with the system or sample type Saliva.

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

  • Triiodothyronine (T3) [Mass/volume] in Saliva (oral fluid)
  • Triiodothyronine
  • Chemistry; Endocrine; Endocrinology; Level; Mass concentration; Oral fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Sal; T3; T-3; thyroid hormone; Total T3; Triodothyrne

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

T3 (Sal) [Mass/Vol]Triiodothyronine (T3) [Mass/volume] in Saliva (oral fluid)T3 Sal-mCncTriiodothyronineCHEMT3, SalivaMCnc

Frequently asked questions

Code details

Code26879-7
SystemLOINC
Display nameT3 (Sal) [Mass/Vol]
DescriptionTriiodothyronine
Short nameT3 Sal-mCnc
ComponentTriiodothyronine
PropertyMCnc
TimingPt
System (specimen)Saliva
ScaleQn
ClassCHEM
Example unitsng/dL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

T3, Saliva

Part names

TriiodothyronineMCncPtSalivaQnMass ConcentrationPoint 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 26879-7 | HealthAssure