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.

LOINCActiveObservation

LOINC Code 96404-9: Para aminohippurate renal clearance/1.73 sq M (Stdy U+S/P) [Vol rate/Area]

Name: LOINC Code 96404-9: Para aminohippurate renal clearance/1.73 sq M (Stdy U+S/P) [Vol rate/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:27.591Z

96404-9 is a LOINC code used to identify Para aminohippurate renal clearance/1.73 sq M (Stdy 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 Para aminohippurate 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 Para aminohippurate 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: Observation

What it does not mean

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

Key facts

Para aminohippurate renal clearance/1.73 sq M in Urine and Serum or Plasma
Para aminohippurate renal clearance/1.73 sq M
BSA; Chemistry; Cl; Clear; Clearanc; Clearances; Clr; Kidney; p Aminohippurate; PAH; PAH Cl/1.73 sq M; Para amino hippurate; Pl; Plasma; Plsm; QNT; Quan; Quant; Quantitative; SerP; SerPl; SerPlas; Serum; Serum or plasma; Square Meter; SR; Studies; Study; Sutdies; 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

Para aminohippurate renal clearance/1.73 sq M (Stdy U+S/P) [Vol rate/Area]Para aminohippurate renal clearance/1.73 sq M in Urine and Serum or PlasmaPAH Cl/1.73 sq M Ur+SerPl-ArVRatPara aminohippurate renal clearance/1.73 sq MCHEMPara aminohippurate renal clearance/1.73 Sq M, Urine+BloodArVRat

Frequently asked questions

Code details

Code96404-9

SystemLOINC

Display namePara aminohippurate renal clearance/1.73 sq M (Stdy U+S/P) [Vol rate/Area]

DescriptionPara aminohippurate renal clearance/1.73 sq M

Short namePAH Cl/1.73 sq M Ur+SerPl-ArVRat

ComponentPara aminohippurate renal clearance/1.73 sq M

PropertyArVRat

TimingStdy

System (specimen)Urine+Ser/Plas

ScaleQn

ClassCHEM

Example unitsmL/min/1.73 sq m

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.69

Last changed2.69

Consumer names

Para aminohippurate renal clearance/1.73 Sq M, Urine+Blood

Part names

Para aminohippurate renal clearance/1.73 sq MArVRatStdyUrine+Ser/PlasQnVolume Rate/AreaStudyUrine 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.