LOINCActiveBoth

LOINC Code 59262-6: Leukocyte esterase Test strip Ql (CSF)

59262-6 is a LOINC code used to identify Leukocyte esterase Test strip Ql (CSF) 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 Leukocyte esterase. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Leukocyte esterase. It is commonly used with the system or sample type CSF.

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: Test strip

What it does not mean

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

Key facts

  • Leukocyte esterase [Presence] in Cerebral spinal fluid by Test strip
  • Leukocyte esterase
  • Used to screen CSF for possible menigitis.
  • Cerebral spinal fluid; Cerebrospinal Fl; Dip stick; Dipstick; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocytes; Lkcs; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; WBC; WBCs; White blood cell; White blood cells

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

Leukocyte esterase Test strip Ql (CSF)Leukocyte esterase [Presence] in Cerebral spinal fluid by Test stripLeukocyte esterase CSF Ql StripLeukocyte esteraseHEM/BCLeukocyte esterase, Spinal fluidPrThr

Frequently asked questions

Code details

Code59262-6
SystemLOINC
Display nameLeukocyte esterase Test strip Ql (CSF)
DescriptionLeukocyte esterase
Short nameLeukocyte esterase CSF Ql Strip
ComponentLeukocyte esterase
PropertyPrThr
TimingPt
System (specimen)CSF
ScaleOrd
MethodTest strip
ClassHEM/BC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.82

Consumer names

Leukocyte esterase, Spinal fluid

Part names

Leukocyte esterasePrThrPtCSFOrdTest stripPresence or ThresholdPoint in time (spot)Cerebral spinal fluid

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 59262-6 | HealthAssure