LOINCActiveBoth

LOINC Code 81582-9: NM Thyroid gland Uptake

81582-9 is a LOINC code used to identify NM Thyroid gland Uptake 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 Uptake^W radionuclide 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 Uptake^W radionuclide 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

What it does not mean

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

Key facts

  • NM Thyroid gland Uptake
  • Uptake^W radionuclide IV
  • CorePlaybook; Document; Finding; Findings; Imaging; Playbook; Point in time; Rad; RADIOLOGY; Random; RN; RNC; Scan; Thy; 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 Thyroid gland UptakeNM Thyroid Uptake W RNC IVUptake^W radionuclide IVRADFindPtNeck>Thyroid gland

Frequently asked questions

Code details

Code81582-9
SystemLOINC
Display nameNM Thyroid gland Uptake
DescriptionUptake^W radionuclide IV
Short nameNM Thyroid Uptake W RNC IV
ComponentUptake^W radionuclide IV
PropertyFind
TimingPt
System (specimen)Neck>Thyroid gland
ScaleDoc
MethodNM
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.61

Part names

Uptake^W radionuclide IVFindPtNeck>Thyroid glandDocNMNeckIVWThyroid glandRadionuclideUptakeFindingPoint 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 81582-9 | HealthAssure