LOINCActiveOrder

LOINC Code 24348-5: Free T4 and TSH panel

24348-5 is a LOINC code used to identify Free T4 and TSH panel 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 Free T4 & TSH panel. It is commonly used with the system or sample type Ser/Plas.

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 Free T4 & TSH panel. It is commonly used with the system or sample type Ser/Plas.

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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Free T4 and TSH panel - Serum or Plasma
  • Free T4 & TSH panel
  • Chemistry; Endocrine; Endocrinology; FR; Non-protein bound; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; T4 Free+ TSH Pnl

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

Free T4 and TSH panelFree T4 and TSH panel - Serum or PlasmaT4 Free+ TSH Pnl SerPlFree T4 & TSH panelPANEL.CHEMFree T4 and TSH Panel, Blood-

Frequently asked questions

Code details

Code24348-5
SystemLOINC
Display nameFree T4 and TSH panel
DescriptionFree T4 & TSH panel
Short nameT4 Free+ TSH Pnl SerPl
ComponentFree T4 & TSH panel
Property-
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0o
Last changed2.73

Consumer names

Free T4 and TSH Panel, Blood

Part names

Free T4 & TSH panel-PtSer/PlasQnFree T4 and TSH panelPoint in time (spot)Serum or Plasma

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 24348-5 | HealthAssure