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.

LOINCActiveObservation

LOINC Code 83058-8: Nucleoprotein expression Immune stain Ql (Tiss control)

Name: LOINC Code 83058-8: Nucleoprotein expression Immune stain Ql (Tiss control)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:10.306Z

83058-8 is a LOINC code used to identify Nucleoprotein expression Immune stain Ql (Tiss control) 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 Nucleoprotein expression. It is commonly used with the system or sample type Tiss^Control.

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 Nucleoprotein expression. It is commonly used with the system or sample type Tiss^Control.

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: Observation
Method: Immune stain

What it does not mean

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

Key facts

Nucleoprotein expression [Presence] in Control Tissue by Immune stain

Nucleoprotein expression

Used to report the result of control tissue nucleoprotein staining that is done at the same time as nucleoprotein staining of the patient's cancer tissue. This term can be used for control tissue staining results for a variety of nucleoproteins, while specific codes are used to report staining results of the patient's cancer tissue specimen for individual markers, such as [LOINC81691-8] for Mlh1 and [LOINC: 81692-6] for Msh2.

Contrl; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Normal; Nucleoprot express; Nucleoprotein; Nucleoprotein expression; Ordinal; PATHOLOGY; Point in time; PR; 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

Nucleoprotein expression Immune stain Ql (Tiss control)Nucleoprotein expression [Presence] in Control Tissue by Immune stainNucleoprot express Tiss Cont Ql ImStnNucleoprotein expressionPATHNucleoprotein expression, control TissuePrThr

Frequently asked questions

Code details

Code83058-8

SystemLOINC

Display nameNucleoprotein expression Immune stain Ql (Tiss control)

DescriptionNucleoprotein expression

Short nameNucleoprot express Tiss Cont Ql ImStn

ComponentNucleoprotein expression

PropertyPrThr

TimingPt

System (specimen)Tiss^Control

ScaleOrd

MethodImmune stain

ClassPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.58

Consumer names

Nucleoprotein expression, control Tissue

Part names

Nucleoprotein expressionPrThrPtTiss^ControlOrdImmune stainPresence or ThresholdPoint in time (spot)

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.