LOINC

LOINC Code 58251-0: Deprecated PhenX measure - rheumatic fever

58251-0 is a LOINC code used to identify Deprecated PhenX measure - rheumatic fever 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 PhenX measure - rheumatic fever. It is commonly used with the system or sample type ^Patient.

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 PhenX measure - rheumatic fever. It is commonly used with the system or sample type ^Patient.

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: DEPRECATED
  • Method: PhenX

What it does not mean

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

Key facts

  • Deprecated PhenX measure - rheumatic fever
  • PhenX measure - rheumatic fever
  • This measure assesses the respondent's history of rheumatic fever or rheumatic heart disease. To assess history of Rheumatic Fever or Rheumatic Heart Disease as a determinant of damage to the heart valves and possible risk of heart failure.
  • Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random

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

Deprecated PhenX measure - rheumatic feverPhenX measure - rheumatic feverPANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code58251-0
SystemLOINC
Display nameDeprecated PhenX measure - rheumatic fever
DescriptionPhenX measure - rheumatic fever
ComponentPhenX measure - rheumatic fever
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.30
Last changed2.46

Part names

PhenX measure - rheumatic fever-Pt^PatientPhenXPoint 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.

LOINC Code 58251-0 | HealthAssure