LOINCActiveBoth

LOINC Code 39640-8: SPECT Brain W Tc-99m DTPA IV

39640-8 is a LOINC code used to identify SPECT Brain W Tc-99m DTPA 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 Tc-99m DTPA IV. It is commonly used with the system or sample type Head>Brain.

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 Tc-99m DTPA IV. It is commonly used with the system or sample type Head>Brain.

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 Brain W Tc-99m DTPA IV
  • Multisection^W Tc-99m DTPA IV
  • 99 mTC; 99mTc; Brain; Cerebral; Cerebrum; Cranial; Cranium; Diethylenetriamine pentaacetate; Document; Finding; Findings; Head; Imaging; Intracranial; Neuro; Neurology; Point in time; Rad; RADIOLOGY; Random; Scan; Skull; TC-99CM; Tc99m; TC-99M; Technetium 99m; W Tc99mDTPA 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

SPECT Brain W Tc-99m DTPA IVSPECT Brain W Tc99mDTPA IVMultisection^W Tc-99m DTPA IVRADFindPtHead>Brain

Frequently asked questions

Code details

Code39640-8
SystemLOINC
Display nameSPECT Brain W Tc-99m DTPA IV
DescriptionMultisection^W Tc-99m DTPA IV
Short nameSPECT Brain W Tc99mDTPA IV
ComponentMultisection^W Tc-99m DTPA IV
PropertyFind
TimingPt
System (specimen)Head>Brain
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 Tc-99m DTPA IVFindPtHead>BrainDocNM.SPECTHeadIVWBrainTc-99m DTPANMSPECTFindingPoint 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.