What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveOrder

LOINC Code 50736-8: Serotonin release.heparin.unfractionated panel (S)

Name: LOINC Code 50736-8: Serotonin release.heparin.unfractionated panel (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.496Z

50736-8 is a LOINC code used to identify Serotonin release.heparin.unfractionated panel (S) 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 Serotonin release.heparin.unfractionated panel. It is commonly used with the system or sample type Ser.

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 Serotonin release.heparin.unfractionated panel. It is commonly used with the system or sample type Ser.

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

Serotonin release.heparin.unfractionated panel - Serum
Serotonin release.heparin.unfractionated panel
5-HT; 5-hydroxytryptamine; 5-hydroxytryptophane; C10H12N2O; Enteramine; Hep; Hepar; Heparin dependent platelet antibody; Heparn; Pan; PANEL.SEROLOGY; Panl; Pnl; Point in time; Random; Serology; Serotonin release assay; Serum; SR; SRA; SRA UFH Pnl; UFH

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

Serotonin release.heparin.unfractionated panel (S)Serotonin release.heparin.unfractionated panel - SerumSRA UFH Pnl SerSerotonin release.heparin.unfractionated panelPANEL.SEROSerotonin release.heparin.unfractionated panel, Blood-

Frequently asked questions

Code details

Code50736-8

SystemLOINC

Display nameSerotonin release.heparin.unfractionated panel (S)

DescriptionSerotonin release.heparin.unfractionated panel

Short nameSRA UFH Pnl Ser

ComponentSerotonin release.heparin.unfractionated panel

Property-

TimingPt

System (specimen)Ser

Scale-

ClassPANEL.SERO

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.52

Consumer names

Serotonin release.heparin.unfractionated panel, Blood

Part names

Serotonin release.heparin.unfractionated panel-PtSerPoint in time (spot)Serum

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.