What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 44159-2: US Guidance for fine needle aspiration of Kidney

Name: LOINC Code 44159-2: US Guidance for fine needle aspiration of Kidney
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:29.267Z

44159-2 is a LOINC code used to identify US Guidance for fine needle aspiration of Kidney 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 Guidance for percutaneous aspiration.fine needle. It is commonly used with the system or sample type Abdomen>Kidney.

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 Guidance for percutaneous aspiration.fine needle. It is commonly used with the system or sample type Abdomen>Kidney.

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: US

What it does not mean

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

Key facts

US Guidance for fine needle aspiration of Kidney
Guidance for percutaneous aspiration.fine needle
Abd; Abdo; Abdomen+; Abdominal; Asp; Document; Echography; Finding; Findings; FNA; Guid; Guide; Guided; Imaging; Kidney; NDL; Nephric; Nephrology; Perc; Point in time; Radiology; Random; Renal; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

US Guidance for fine needle aspiration of KidneyUS Guided Kidney FNAGuidance for percutaneous aspiration.fine needleRADFindPtAbdomen>Kidney

Frequently asked questions

Code details

Code44159-2

SystemLOINC

Display nameUS Guidance for fine needle aspiration of Kidney

DescriptionGuidance for percutaneous aspiration.fine needle

Short nameUS Guided Kidney FNA

ComponentGuidance for percutaneous aspiration.fine needle

PropertyFind

TimingPt

System (specimen)Abdomen>Kidney

ScaleDoc

MethodUS

ClassRAD

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.64

Part names

Guidance for percutaneous aspiration.fine needleFindPtAbdomen>KidneyDocUSTrueUnspecifiedAbdomenAspiration.fine needlePercutaneousGuidanceKidneyGuidance for percutaneous fine needle aspirationFindingPoint in time (spot)Ultrasound

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.