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 111581-5: Melanoma-associated antigen 4 panel Immune stain (Tiss)

Name: LOINC Code 111581-5: Melanoma-associated antigen 4 panel Immune stain (Tiss)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.941Z

111581-5 is a LOINC code used to identify Melanoma-associated antigen 4 panel Immune stain (Tiss) 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 Melanoma-associated antigen 4 panel. It is commonly used with the system or sample type Tiss.

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 Melanoma-associated antigen 4 panel. It is commonly used with the system or sample type Tiss.

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
Method: Immune stain

What it does not mean

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

Key facts

Melanoma-associated antigen 4 panel - Tissue by Immune stain
Melanoma-associated antigen 4 panel
Ag; Assoc; HLA ANTIGEN; Human Leukocyte Antigen; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; MAGE 4; MAGE A4; MAGE Ag4 pnl; Pan; PANEL.HLA; Panl; Pnl; Point in time; Random; St; Stains; Stn; Tissue; Tissue, unspecified

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

Melanoma-associated antigen 4 panel Immune stain (Tiss)Melanoma-associated antigen 4 panel - Tissue by Immune stainMAGE Ag4 pnl Tiss ImStnMelanoma-associated antigen 4 panelPANEL.HLAMelanoma-associated antigen 4 panel, Tissue-

Frequently asked questions

Code details

Code111581-5

SystemLOINC

Display nameMelanoma-associated antigen 4 panel Immune stain (Tiss)

DescriptionMelanoma-associated antigen 4 panel

Short nameMAGE Ag4 pnl Tiss ImStn

ComponentMelanoma-associated antigen 4 panel

Property-

TimingPt

System (specimen)Tiss

Scale-

MethodImmune stain

ClassPANEL.HLA

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.82

Last changed2.82

Consumer names

Melanoma-associated antigen 4 panel, Tissue

Part names

Melanoma-associated antigen 4 panel-PtTissImmune stainPoint in time (spot)Tissue and Smears

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.