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 50063-7: Urea renal clearance/1.73 sq M Unsp time (U+S/P) [Vol rate/Area]

Name: LOINC Code 50063-7: Urea renal clearance/1.73 sq M Unsp time (U+S/P) [Vol rate/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.495Z

50063-7 is a LOINC code used to identify Urea renal clearance/1.73 sq M Unsp time (U+S/P) [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 Urea renal clearance/1.73 sq M. It is commonly used with the system or sample type Urine+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 Urea renal clearance/1.73 sq M. It is commonly used with the system or sample type Urine+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: ACTIVE
Order vs observation: Both

What it does not mean

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

Key facts

Urea renal clearance/1.73 sq M in Urine and Serum or Plasma collected for unspecified duration
Urea renal clearance/1.73 sq M
?Tm; BSA; Chemistry; Cl; Clear; Clearanc; Clearances; Clr; Kidney; Pl; Plasma; Plsm; QNT; Quan; Quant; Quantitative; SerP; SerPl; SerPlas; Serum; Serum or plasma; Square Meter; SR; UA; UR; Ur+SerPl; Urn; 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

Urea renal clearance/1.73 sq M Unsp time (U+S/P) [Vol rate/Area]Urea renal clearance/1.73 sq M in Urine and Serum or Plasma collected for unspecified durationUrea Cl/1.73 sq M ?Tm Ur+SerPl-ArVRatUrea renal clearance/1.73 sq MCHEMUrea renal clearance/1.73 Sq M, Urine+BloodArVRat

Frequently asked questions

Code details

Code50063-7

SystemLOINC

Display nameUrea renal clearance/1.73 sq M Unsp time (U+S/P) [Vol rate/Area]

DescriptionUrea renal clearance/1.73 sq M

Short nameUrea Cl/1.73 sq M ?Tm Ur+SerPl-ArVRat

ComponentUrea renal clearance/1.73 sq M

PropertyArVRat

TimingXXX

System (specimen)Urine+Ser/Plas

ScaleQn

ClassCHEM

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.70

Consumer names

Urea renal clearance/1.73 Sq M, Urine+Blood

Part names

Urea renal clearance/1.73 sq MArVRatXXXUrine+Ser/PlasQnVolume Rate/AreaUnspecifiedUrine and 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.