LOINCActive

LOINC Code 35503-2: Arterial patency Wrist artery --pre arterial puncture

35503-2 is a LOINC code used to identify Arterial patency Wrist artery --pre arterial puncture 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 Arterial patency^pre arterial puncture. It is commonly used with the system or sample type Wrist artery.

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 Arterial patency^pre arterial puncture. It is commonly used with the system or sample type Wrist artery.

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

What it does not mean

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

Key facts

  • Arterial patency Wrist artery --pre arterial puncture
  • Arterial patency^pre arterial puncture
  • Allen's test; Art; Before; Cardio; Cardiology; Carpal bone; Carpal bones; Carpal bones and joint; Heart Disease; Ordinal; Point in time; PR; PULMONARY; Ql; Qual; Qualitative; Random; Screen; Upper extremity joint

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

Arterial patency Wrist artery --pre arterial punctureArterial patency Wrist aArterial patency^pre arterial puncturePULMPrThrPtWrist artery

Frequently asked questions

Code details

Code35503-2
SystemLOINC
Display nameArterial patency Wrist artery --pre arterial puncture
DescriptionArterial patency^pre arterial puncture
Short nameArterial patency Wrist a
ComponentArterial patency^pre arterial puncture
PropertyPrThr
TimingPt
System (specimen)Wrist artery
ScaleOrd
ClassPULM
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.13
Last changed2.73

Part names

Arterial patency^pre arterial puncturePrThrPtWrist arteryOrdPresence or ThresholdPoint 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.