LOINCActiveBoth

LOINC Code 41168-6: Arginine Ql (Bld)

41168-6 is a LOINC code used to identify Arginine Ql (Bld) 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 Arginine. It is commonly used with the system or sample type Bld.

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 Arginine. It is commonly used with the system or sample type Bld.

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

  • Arginine [Presence] in Blood
  • Arginine
  • Arg; Blood; Chemistry; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; WB; Whole blood

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

Arginine Ql (Bld)Arginine [Presence] in BloodArginine Bld QlArginineCHEMArginine, BloodPrThr

Frequently asked questions

Code details

Code41168-6
SystemLOINC
Display nameArginine Ql (Bld)
DescriptionArginine
Short nameArginine Bld Ql
ComponentArginine
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.56

Consumer names

Arginine, Blood

Part names

ArgininePrThrPtBldOrdPresence or ThresholdPoint in time (spot)Blood

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 41168-6 | HealthAssure