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 105561-5: Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level

Name: LOINC Code 105561-5: Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.135Z

105561-5 is a LOINC code used to identify Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level 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 Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level. 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 Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level. 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: ACTIVE
Order vs observation: Observation

What it does not mean

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

Key facts

Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level
Levels; Levl; LV; LVL; Number fraction; Percent; Percent hse inc less eq fed levl; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; S prime

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

Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty levelPercent hse inc less eq fed levlPHENXNFrPt^PatientQn

Frequently asked questions

Code details

Code105561-5

SystemLOINC

Display namePercentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level

Short namePercent hse inc less eq fed levl

ComponentPercentage of a block group's population in households where the household income is less than or equal to twice the federal poverty level

PropertyNFr

TimingPt

System (specimen)^Patient

ScaleQn

ClassPHENX

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Part names

Percentage of a block group's population in households where the household income is less than or equal to twice the federal poverty levelNFrPt^PatientQnNumber 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.