| Dacryoscintigraphy | |
|---|---|
 | |
| Synonyms | microscintigraphy nuclear dacryocystogram nuclear lacrimal scan lacrimal scintillography |
| ICD-10-PCS | C8191ZZ |
| LOINC | 39670-5 |
Dacryoscintigraphy (DSG), also known as lacrimal scintigraphy, is a nuclear medicine technique for imaging the lacrimal apparatus. It is used to identify obstructions, for example in the lacrimal duct, nasal cavity or nasolacrimal duct.