LOINCActiveBoth

LOINC Code 53525-2: Protein SSA method Ql (U)

53525-2 is a LOINC code used to identify Protein SSA method 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 Protein. 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 Protein. 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
  • Method: SSA

What it does not mean

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

Key facts

  • Protein [Presence] in Urine by SSA method
  • Protein
  • The addition of sulfosalicylic acid (SSA) to urine causes the precipitation of protein. The SSA reaction will detect albumin, globulins, and Bence-Jones proteins.
  • Chemistry; Kidney; Nephrology; Ordinal; Point in time; PR; Prot; QL; Qual; Qualitative; Random; Renal; Screen; Sulfosalicylate; Sulfosalicylic acid; 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

Protein SSA method Ql (U)Protein [Presence] in Urine by SSA methodProt Ur Ql SSAProteinCHEMProtein, UrinePrThr

Frequently asked questions

Code details

Code53525-2
SystemLOINC
Display nameProtein SSA method Ql (U)
DescriptionProtein
Short nameProt Ur Ql SSA
ComponentProtein
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodSSA
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.73

Consumer names

Protein, Urine

Part names

ProteinPrThrPtUrineOrdSSAPresence or ThresholdPoint in time (spot)SSA method

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 53525-2 | HealthAssure