LOINCActiveBoth

LOINC Code 31207-4: Progesterone receptor (Tiss) [Moles/Mass]

31207-4 is a LOINC code used to identify Progesterone receptor (Tiss) [Moles/Mass] 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 Progesterone receptor. 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 Progesterone receptor. 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

What it does not mean

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

Key facts

  • Progesterone receptor [Moles/mass] in Tissue
  • Progesterone receptor
  • P4; Pathology; Point in time; PR; Prog; Proges; Progest; Progestin; QNT; Quan; Quant; Quantitative; Random; Rec; Recept; Receptors; Recp; Recptr; Substance content; 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

Progesterone receptor (Tiss) [Moles/Mass]Progesterone receptor [Moles/mass] in TissuePR Tiss-sCntProgesterone receptorPATHProgesterone receptor, TissueSCnt

Frequently asked questions

Code details

Code31207-4
SystemLOINC
Display nameProgesterone receptor (Tiss) [Moles/Mass]
DescriptionProgesterone receptor
Short namePR Tiss-sCnt
ComponentProgesterone receptor
PropertySCnt
TimingPt
System (specimen)Tiss
ScaleQn
ClassPATH
Example unitsfmol/mg; fmol/mg protein
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.70

Consumer names

Progesterone receptor, Tissue

Part names

Progesterone receptorSCntPtTissQnSubstance ContentPoint 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 31207-4 | HealthAssure