LOINCActiveBoth

LOINC Code 58400-3: Specimen pH acceptable Ql (U)

58400-3 is a LOINC code used to identify Specimen pH acceptable Ql (U) 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 Specimen pH acceptable. It is commonly used with the system or sample type Urine.

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 Specimen pH acceptable. It is commonly used with the system or sample type Urine.

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

  • Specimen pH acceptable of Urine
  • Specimen pH acceptable
  • Accept; Arbitrary; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Spec; UA; UR; Urn

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

Specimen pH acceptable Ql (U)Specimen pH acceptable of UrineSpecimen pH acceptable UrSpecimen pH acceptableSPECSpecimen PH Acceptable, UrineArb

Frequently asked questions

Code details

Code58400-3
SystemLOINC
Display nameSpecimen pH acceptable Ql (U)
DescriptionSpecimen pH acceptable
Short nameSpecimen pH acceptable Ur
ComponentSpecimen pH acceptable
PropertyArb
TimingPt
System (specimen)Urine
ScaleOrd
ClassSPEC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.30
Last changed2.73

Consumer names

Specimen PH Acceptable, Urine

Part names

Specimen pH acceptableArbPtUrineOrdArbitraryPoint in time (spot)

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 58400-3 | HealthAssure