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 80831-1: Pepsin A Panel (Lower resp)

Name: LOINC Code 80831-1: Pepsin A Panel (Lower resp)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:03.793Z

80831-1 is a LOINC code used to identify Pepsin A Panel (Lower resp) 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 Pepsin A Panel. It is commonly used with the system or sample type Respiratory system specimen.lower.

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 Pepsin A Panel. It is commonly used with the system or sample type Respiratory system specimen.lower.

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

Pepsin A Panel - Lower respiratory specimen
Pepsin A Panel
This panel contains terms to measure pepsin A, a biomarker of gastric aspiration.
Breathing; Chemistry; k213; Low; Lower resp; Lungs; nSus s Pepsin, Swine; Pan; PANEL.CHEMISTRY; Panl; Pepsin A Pnl; Pnl; Point in time; Random; Rk213; RS; Spec

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

Pepsin A Panel (Lower resp)Pepsin A Panel - Lower respiratory specimenPepsin A Pnl Lower respPepsin A PanelPANEL.CHEMPepsin A Panel, Lower respiratory-

Frequently asked questions

Code details

Code80831-1

SystemLOINC

Display namePepsin A Panel (Lower resp)

DescriptionPepsin A Panel

Short namePepsin A Pnl Lower resp

ComponentPepsin A Panel

Property-

TimingPt

System (specimen)Respiratory system specimen.lower

Scale-

ClassPANEL.CHEM

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.77

Consumer names

Pepsin A Panel, Lower respiratory

Part names

Pepsin A Panel-PtRespiratory system specimen.lowerPoint in time (spot)Lower respiratory specimen

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.