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.

LOINCBoth

LOINC Code 50383-9: GFR.predicted Schwartz [Vol/Time]

Name: LOINC Code 50383-9: GFR.predicted Schwartz [Vol/Time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.496Z

50383-9 is a LOINC code used to identify GFR.predicted Schwartz [Vol/Time] 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.predicted. It is commonly used with the system or sample type Ser/Plas.

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.predicted. It is commonly used with the system or sample type Ser/Plas.

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
Order vs observation: Both
Method: Creatinine-based formula (Schwartz)

What it does not mean

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

Key facts

Deprecated Glomerular filtration rate/1.73 sq M.predicted in 24 hour by Creatinine-based formula (Schwartz)
Glomerular filtration rate.predicted
Chemistry; Flow; GFR; Glom; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Volume rate; vRate

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.predicted Schwartz [Vol/Time]Deprecated Glomerular filtration rate/1.73 sq M.predicted in 24 hour by Creatinine-based formula (Schwartz)Deprecated GFR predicted SerPl SchwartzGlomerular filtration rate.predictedCHEMGFR.predicted, BloodVRat

Frequently asked questions

Code details

Code50383-9

SystemLOINC

Display nameGFR.predicted Schwartz [Vol/Time]

DescriptionGlomerular filtration rate.predicted

Short nameDeprecated GFR predicted SerPl Schwartz

ComponentGlomerular filtration rate.predicted

PropertyVRat

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodCreatinine-based formula (Schwartz)

ClassCHEM

Example unitsmL/min

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.36

Consumer names

GFR.predicted, Blood

Part names

Glomerular filtration rate.predictedVRatPtSer/PlasQnCreatinine-based formula (Schwartz)Volume RatePoint in time (spot)Serum or Plasma

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.