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Version: 17.06d (Release date: 2017-06-26)
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Technetium Tc-99m Hydroxydiphosphonate (Code C94222)

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Terms & Properties

Preferred Name: Technetium Tc-99m Hydroxydiphosphonate

Definition: A radioconjugate containing hydroxydiphosphonate (HDP) labeled with the metastable radioisotope technetium Tc (99mTc), with radioimaging activity. Upon intravenous administration, skeletal uptake of technetium Tc-99m HDP occurs as a function of skeletal blood flow and osteogenic activity. HDP has a specific affinity for hydroxyapatite crystals in bone where abnormal accumulation of increased osteoid mineralization has occurred. Labeling of HDP with 99mTc allows gamma scintigraphic imaging of areas of abnormal osteogenesis associated with malignant bone lesions.

Label: Technetium Tc-99m Hydroxydiphosphonate

NCI Thesaurus Code: C94222 (Search for linked caDSR metadata)  (search value sets)

NCI Metathesaurus Link: C0075952  (see NCI Metathesaurus info)

Synonyms & Abbreviations: (see Synonym Details)
99mTc HDP
Tc-99m Hydroxydiphosphonate
Technetium Tc-99m Hydroxydiphosphonate

External Source Codes: 
PDQ Closed Trial Search ID 687964
PDQ Open Trial Search ID 687964 (check for NCI PDQ open clinical trial info)
UMLS CUI C0075952

Other Properties:
     Name Value (qualifiers indented underneath)
code C94222
Semantic_Type Indicator, Reagent, or Diagnostic Aid

Additional Concept Data: 
Defined Fully by Roles: No  


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