LOINCActiveBoth

LOINC Code 10504-9: Myelin basic protein Ag Immune stain Ql (Tiss)

10504-9 is a LOINC code used to identify Myelin basic protein Ag Immune stain Ql (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 Myelin basic protein Ag. It is commonly used with the system or sample type Tiss.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Myelin basic protein Ag. 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: Both
  • Method: Immune stain

What it does not mean

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

Key facts

  • Myelin basic protein Ag [Presence] in Tissue by Immune stain
  • Myelin basic protein Ag
  • Antigen; Antigens; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; MBP; Ordinal; Pathology; Point in time; PR; Prot; QL; Qual; Qualitative; Random; Screen; 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

Myelin basic protein Ag Immune stain Ql (Tiss)Myelin basic protein Ag [Presence] in Tissue by Immune stainMBP Ag Tiss Ql ImStnMyelin basic protein AgPATHMyelin basic protein antigen, TissuePrThr

Frequently asked questions

Code details

Code10504-9
SystemLOINC
Display nameMyelin basic protein Ag Immune stain Ql (Tiss)
DescriptionMyelin basic protein Ag
Short nameMBP Ag Tiss Ql ImStn
ComponentMyelin basic protein Ag
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodImmune stain
ClassPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.56

Consumer names

Myelin basic protein antigen, Tissue

Part names

Myelin basic protein AgPrThrPtTissOrdImmune stainPresence or ThresholdPoint 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.

LOINC Code 10504-9 | HealthAssure