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.

LOINCActiveBoth

LOINC Code 82844-2: Number affected by condition Population

Name: LOINC Code 82844-2: Number affected by condition Population
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:08.166Z

82844-2 is a LOINC code used to identify Number affected by condition Population 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 Number affected by condition. It is commonly used with the system or sample type ^Population.

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 Number affected by condition. It is commonly used with the system or sample type ^Population.

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

Number affected by condition Population
Number affected by condition
The count of animals or people who are affected by a condition and showing clinical signs of illness. The number affected is the numerator in the morbidity rate calculation.
CLIN; Cnt; Count; No; Num; Num affected by condition; Number; Point in time; QNT; Quan; Quant; Quantitative; 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

Number affected by condition PopulationNum affected by condition PopNumber affected by conditionCLINNumPt^Population

Frequently asked questions

Code details

Code82844-2

SystemLOINC

Display nameNumber affected by condition Population

DescriptionNumber affected by condition

Short nameNum affected by condition Pop

ComponentNumber affected by condition

PropertyNum

TimingPt

System (specimen)^Population

ScaleQn

ClassCLIN

Example units#

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.58

Consumer names

Number affected by condition

Part names

Number affected by conditionNumPt^PopulationQnNumber (count)Point 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.