LOINCBoth

LOINC Code 33914-3: GFR Creatinine-based formula (MDRD)/1.73 sq M [Vol rate/Area]

33914-3 is a LOINC code used to identify GFR Creatinine-based formula (MDRD)/1.73 sq M [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 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. 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: DISCOURAGED
  • Order vs observation: Both
  • Method: Creatinine-based formula (MDRD)/1.73 sq M

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 Serum or Plasma by Creatinine-based formula (MDRD)/1.73 sq M
  • Glomerular filtration rate
  • Chemistry; GFR; Glom; Modification of Diet in Renal Disease; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; Square Meter; SR; Volume rate/area; Volume Rate/Ratio

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 Creatinine-based formula (MDRD)/1.73 sq M [Vol rate/Area]Glomerular filtration rate [Volume Rate/Area] in Serum or Plasma by Creatinine-based formula (MDRD)/1.73 sq MGFR SerPl Creatinine-bsd frml MDRDGlomerular filtration rateCHEMGFR, BloodArVRat

Frequently asked questions

Code details

Code33914-3
SystemLOINC
Display nameGFR Creatinine-based formula (MDRD)/1.73 sq M [Vol rate/Area]
DescriptionGlomerular filtration rate
Short nameGFR SerPl Creatinine-bsd frml MDRD
ComponentGlomerular filtration rate
PropertyArVRat
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodCreatinine-based formula (MDRD)/1.73 sq M
ClassCHEM
Example unitsmL/min; ml/min/1.73m2
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.79

Consumer names

GFR, Blood

Part names

Glomerular filtration rateArVRatPtSer/PlasQnCreatinine-based formula (MDRD)/1.73 sq MVolume Rate/AreaPoint 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.

LOINC Code 33914-3 | HealthAssure