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 50058-7: Phosphate renal clearance Unsp time (U+S/P) [Vol/Time]

Name: LOINC Code 50058-7: Phosphate renal clearance Unsp time (U+S/P) [Vol/Time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.495Z

50058-7 is a LOINC code used to identify Phosphate renal clearance Unsp time (U+S/P) [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 Phosphate renal clearance. 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 Phosphate renal clearance. 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

Phosphate renal clearance in Urine and Serum or Plasma collected for unspecified duration
Phosphate renal clearance
?Tm; Chemistry; Cl; Clear; Clearanc; Clearances; Clr; Flow; i Phos; Inorganic phosphate; Kidney; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; Pl; Plasma; Plsm; PO4; QNT; Quan; Quant; Quantitative; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; UA; UR; Ur+SerPl; Urn; 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

Phosphate renal clearance Unsp time (U+S/P) [Vol/Time]Phosphate renal clearance in Urine and Serum or Plasma collected for unspecified durationPhosphate Cl ?Tm Ur+SerPl-vRatePhosphate renal clearanceCHEMPhosphate renal clearance, Urine+BloodVRat

Frequently asked questions

Code details

Code50058-7

SystemLOINC

Display namePhosphate renal clearance Unsp time (U+S/P) [Vol/Time]

DescriptionPhosphate renal clearance

Short namePhosphate Cl ?Tm Ur+SerPl-vRate

ComponentPhosphate renal clearance

PropertyVRat

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

Phosphate renal clearance, Urine+Blood

Part names

Phosphate renal clearanceVRatXXXUrine+Ser/PlasQnVolume RateUnspecifiedUrine 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.