Angiography
An imaging technique that visualizes blood vessels by injecting contrast dye and capturing X-ray or CT pictures to detect blockages, aneurysms, or malformations. Some diagnostic and interventional angiography procedures are performed in outpatient and ambulatory settings under specific coding rules.
What is Angiography?
Angiography is an imaging technique used to visualize blood vessels. A contrast dye is injected into the bloodstream and X-ray or CT images are captured, making the vessels visible so that clinicians can detect blockages, narrowing, aneurysms, or vascular malformations.
The study may be purely diagnostic, used to map the vasculature and identify problems, or it may be part of an interventional procedure in which the same access is used to treat what is found.
Where is Angiography performed in outpatient care?
Certain diagnostic and interventional angiography procedures are performed in outpatient and ambulatory settings, provided they meet the clinical and regulatory criteria for that environment. Advances in technique and recovery have made it feasible to do some of these cases without an inpatient stay.
Because these procedures involve specific coding and coverage rules, accurate documentation of what was done, diagnostic versus interventional, and which vessels were studied, directly affects how the case is classified and reimbursed.
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