LOINCActiveBoth

LOINC Code 39864-4: NM Heart First pass

39864-4 is a LOINC code used to identify NM Heart First pass 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^W radionuclide 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^W radionuclide 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
  • Views first pass^W radionuclide IV
  • Cardiac; Document; Films; Finding; Findings; FP; Hrt; Imaging; Point in time; Rad; RADIOLOGY; Random; RN; RNC; Scan; Thorax; View; VWS; W RNC 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 passNM Hrt FP W RNC IVViews first pass^W radionuclide IVRADFindPtChest>Heart

Frequently asked questions

Code details

Code39864-4
SystemLOINC
Display nameNM Heart First pass
DescriptionViews first pass^W radionuclide IV
Short nameNM Hrt FP W RNC IV
ComponentViews first pass^W radionuclide 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^W radionuclide IVFindPtChest>HeartDocNMHeartChestIVWRadionuclideFirst 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.

LOINC Code 39864-4 | HealthAssure