LOINCActiveOrder

LOINC Code 50585-9: Triple bolus stimulation panel

50585-9 is a LOINC code used to identify Triple bolus stimulation 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 Triple bolus stimulation 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 Triple bolus stimulation 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

  • Triple bolus stimulation panel - Serum or Plasma
  • Triple bolus stimulation panel
  • Used to order cortisol, follitropin, glucose, lutropin, prolactin, somatotropin, testosterone, thyrotropin, and triiodothyronine after administration of triple bolus (insulin, lutenizing releasing hormone [LRH] and thyrotropin releasing hormone [TRH])
  • CHEMISTRY.CHALLENGE TESTING; Pan; PANEL.CHALLENGE; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Stim; Tri; Trip; Triple bolus stim 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

Triple bolus stimulation panelTriple bolus stimulation panel - Serum or PlasmaTriple bolus stim Pnl SerPlPANEL.CHALTriple bolus stimulation panel, Blood-Pt

Frequently asked questions

Code details

Code50585-9
SystemLOINC
Display nameTriple bolus stimulation panel
Short nameTriple bolus stim Pnl SerPl
ComponentTriple bolus stimulation panel
Property-
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassPANEL.CHAL
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.42

Consumer names

Triple bolus stimulation panel, Blood

Part names

Triple bolus stimulation panel-PtSer/PlasQnPoint 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 50585-9 | HealthAssure