LOINCActiveBoth

LOINC Code 39755-4: SPECT Thyroid gland W I-131 IV

39755-4 is a LOINC code used to identify SPECT Thyroid gland W I-131 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 Multisection^W I-131 IV. It is commonly used with the system or sample type Neck>Thyroid gland.

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 Multisection^W I-131 IV. It is commonly used with the system or sample type Neck>Thyroid gland.

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.SPECT

What it does not mean

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

Key facts

  • SPECT Thyroid gland W I-131 IV
  • Multisection^W I-131 IV
  • 131 Iodine; 131I; Document; Finding; Findings; Imaging; Point in time; Rad; RADIOLOGY; RAI; Random; Scan; Thy

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

SPECT Thyroid gland W I-131 IVSPECT Thyroid W I-131 IVMultisection^W I-131 IVRADFindPtNeck>Thyroid gland

Frequently asked questions

Code details

Code39755-4
SystemLOINC
Display nameSPECT Thyroid gland W I-131 IV
DescriptionMultisection^W I-131 IV
Short nameSPECT Thyroid W I-131 IV
ComponentMultisection^W I-131 IV
PropertyFind
TimingPt
System (specimen)Neck>Thyroid gland
ScaleDoc
MethodNM.SPECT
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.61

Part names

Multisection^W I-131 IVFindPtNeck>Thyroid glandDocNM.SPECTNeckIVWThyroid glandI-131NMSPECTFindingPoint 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 39755-4 | HealthAssure