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 39866-9: NM Heart First pass at rest and W Tc-99m Sestamibi IV

Name: LOINC Code 39866-9: NM Heart First pass at rest and W Tc-99m Sestamibi IV
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:26.654Z

39866-9 is a LOINC code used to identify NM Heart First pass at rest and W Tc-99m Sestamibi IV 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 Views first pass^at rest+W Tc-99m Sestamibi IV. It is commonly used with the system or sample type Chest>Heart.

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 Views first pass^at rest+W Tc-99m Sestamibi IV. It is commonly used with the system or sample type Chest>Heart.

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: NM

What it does not mean

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

Key facts

NM Heart First pass at rest and W Tc-99m Sestamibi IV
Views first pass^at rest+W Tc-99m Sestamibi IV
99 mTC; 99mTc; Cardiac; Cardiolite; Document; Films; Finding; Findings; FP; Hrt; Imaging; MIBI; Point in time; Rad; RADIOLOGY; Random; Rest+W Tc99mMIBI IV; Resting; Scan; TC-99CM; Tc99m; TC-99M; Tc99mMIBI; Technetium 99m; Thorax; View; VWS; W Tc99mMIBI IV

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

NM Heart First pass at rest and W Tc-99m Sestamibi IVNM Hrt FP Rest+W Tc99mMIBI IVViews first pass^at rest+W Tc-99m Sestamibi IVRADFindPtChest>Heart

Frequently asked questions

Code details

Code39866-9

SystemLOINC

Display nameNM Heart First pass at rest and W Tc-99m Sestamibi IV

DescriptionViews first pass^at rest+W Tc-99m Sestamibi IV

Short nameNM Hrt FP Rest+W Tc99mMIBI IV

ComponentViews first pass^at rest+W Tc-99m Sestamibi IV

PropertyFind

TimingPt

System (specimen)Chest>Heart

ScaleDoc

MethodNM

ClassRAD

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.61

Part names

Views first pass^at rest+W Tc-99m Sestamibi IVFindPtChest>HeartDocNMHeartChestIVWAt restTc-99m SestamibiFirst passViewsFindingPoint in time (spot)Intravenous

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.