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 96591-3: GFR based on 1.73 sq M among black population (DBS) [Vol rate/Area]

Name: LOINC Code 96591-3: GFR based on 1.73 sq M among black population (DBS) [Vol rate/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:27.591Z

96591-3 is a LOINC code used to identify GFR based on 1.73 sq M among black population (DBS) [Vol rate/Area] 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 Glomerular filtration rate. It is commonly used with the system or sample type Bld.dot.

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 Glomerular filtration rate. It is commonly used with the system or sample type Bld.dot.

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
Method: based on 1.73 sq M among black population

What it does not mean

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

Key facts

Glomerular filtration rate [Volume Rate/Area] in DBS by based on 1.73 sq M among black population
Glomerular filtration rate
Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; GFR; Glom; Kidney; Nephrology; Point in time; QNT; Quan; Quant; Quantitative; Random; Renal; Square Meter; Volume rate/area; Volume Rate/Ratio; WB; Whole blood

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

GFR based on 1.73 sq M among black population (DBS) [Vol rate/Area]Glomerular filtration rate [Volume Rate/Area] in DBS by based on 1.73 sq M among black populationGFR DBS based on 1.73 sq M among blaGlomerular filtration rateCHEMGFR, Dried blood spotArVRat

Frequently asked questions

Code details

Code96591-3

SystemLOINC

Display nameGFR based on 1.73 sq M among black population (DBS) [Vol rate/Area]

DescriptionGlomerular filtration rate

Short nameGFR DBS based on 1.73 sq M among bla

ComponentGlomerular filtration rate

PropertyArVRat

TimingPt

System (specimen)Bld.dot

ScaleQn

Methodbased on 1.73 sq M among black population

ClassCHEM

Example unitsmL/min/1.73 sq m

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.69

Last changed2.79

Consumer names

GFR, Dried blood spot

Part names

Glomerular filtration rateArVRatPtBld.dotQnbased on 1.73 sq M among black populationVolume Rate/AreaPoint in time (spot)DBS

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.