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 85325-9: Cells.progesterone receptor/Cells Immune stain (Breast cancer specimen)

Name: LOINC Code 85325-9: Cells.progesterone receptor/Cells Immune stain (Breast cancer specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:13.315Z

85325-9 is a LOINC code used to identify Cells.progesterone receptor/Cells Immune stain (Breast cancer specimen) 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 Cells.progesterone receptor/Cells. It is commonly used with the system or sample type Breast cancer specimen.

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 Cells.progesterone receptor/Cells. It is commonly used with the system or sample type Breast cancer specimen.

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

Cells.progesterone receptor/cells in Breast cancer specimen by Immune stain
Cells.progesterone receptor/Cells
Br ca spec; Brst; CA; Ca spec; Cell; Cellularity; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Number fraction; Oncology; P4; Pathology; Percent; Point in time; PR; PR+ cells; Prog; Proges; Progest; Progestin; QNT; Quan; Quant; Quantitative; Random; Rec; Recept; Receptors; Recp; Recptr; Spec; St; Stains; Stn

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

Cells.progesterone receptor/Cells Immune stain (Breast cancer specimen)Cells.progesterone receptor/cells in Breast cancer specimen by Immune stainPR+ cells NFr Br ca spec ImStnCells.progesterone receptor/CellsPATHCells.progesterone receptor/cells, Breast cancer specimenNFr

Frequently asked questions

Code details

Code85325-9

SystemLOINC

Display nameCells.progesterone receptor/Cells Immune stain (Breast cancer specimen)

DescriptionCells.progesterone receptor/Cells

Short namePR+ cells NFr Br ca spec ImStn

ComponentCells.progesterone receptor/Cells

PropertyNFr

TimingPt

System (specimen)Breast cancer specimen

ScaleQn

MethodImmune stain

ClassPATH

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.61

Last changed2.79

Consumer names

Cells.progesterone receptor/cells, Breast cancer specimen

Part names

Cells.progesterone receptor/CellsNFrPtBreast cancer specimenQnImmune stainNumber FractionPoint 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.